Null Objects with JS Code: Error creating PDFStream: list indices must be integers or slices, not float

[kandji-alex]

I've been running this fork of the original peepdf project locally.

However, when I switch over to this repo, I'm getting different analysis results. Example:

peepdf -lf myfile.pdf
...
Version 0:
        Catalog: No
        Info: No
        Objects (488): [1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100, 101, 103, 104, 105, 107, 108, 109, 111, 112, 113, 114, 116, 117, 118, 119, 121, 122, 123, 125, 126, 127, 129, 130, 131, 133, 134, 135, 137, 138, 139, 141, 142, 143, 145, 146, 147, 149, 150, 151, 153, 154, 155, 157, 158, 159, 161, 162, 163, 165, 166, 167, 169, 170, 171, 173, 174, 175, 177, 178, 179, 181, 182, 183, 185, 186, 187, 189, 190, 191, 193, 194, 195, 196, 198, 199, 200, 201, 202, 204, 207, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 442, 443, 445, 446, 447, 448, 449, 450, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 543, 544, 545, 546, 547, 548, 549, 551, 552, 553]
        Compressed objects (232): [1, 5, 10, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 116, 121, 125, 129, 133, 137, 141, 145, 149, 153, 157, 161, 165, 169, 173, 177, 181, 185, 189, 193, 198, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 440, 445, 446, 447, 448, 452, 453, 454, 455, 456, 457, 458, 459, 462, 468, 469, 471, 473, 475, 477, 478, 480, 482, 484, 486, 488, 490, 491, 493, 495, 497, 499, 501, 503, 504, 506, 508, 510, 512, 513, 515, 517, 519, 521, 522, 524, 526, 527, 529, 531, 533, 535, 537, 543, 544, 546, 548]
                Errors (5): [200, 202, 461, 463, 464]
        Streams (151): [2, 3, 6, 7, 8, 11, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29, 32, 33, 36, 37, 40, 41, 44, 45, 48, 49, 52, 53, 56, 57, 60, 61, 64, 65, 68, 69, 72, 73, 76, 77, 80, 81, 84, 85, 88, 89, 92, 93, 96, 97, 100, 101, 104, 105, 108, 109, 112, 113, 114, 117, 118, 119, 122, 123, 126, 127, 130, 131, 134, 135, 138, 139, 142, 143, 146, 147, 150, 151, 154, 155, 158, 159, 162, 163, 166, 167, 170, 171, 174, 175, 178, 179, 182, 183, 186, 187, 190, 191, 194, 195, 196, 199, 200, 201, 202, 204, 207, 442, 443, 460, 461, 463, 464, 470, 472, 474, 476, 479, 481, 483, 485, 487, 489, 492, 494, 496, 498, 500, 502, 505, 507, 509, 511, 514, 516, 518, 520, 523, 525, 528, 530, 532, 534, 536, 538, 545, 547, 549, 551, 552, 553]
                Object streams (3): [551, 552, 553]
                Encoded (130): [2, 3, 6, 7, 8, 11, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29, 32, 33, 36, 37, 40, 41, 44, 45, 48, 49, 52, 53, 56, 57, 60, 61, 64, 65, 68, 69, 72, 73, 76, 77, 80, 81, 84, 85, 88, 89, 92, 93, 96, 97, 100, 101, 104, 105, 108, 109, 112, 113, 114, 117, 118, 119, 122, 123, 126, 127, 130, 131, 134, 135, 138, 139, 142, 143, 146, 147, 150, 151, 154, 155, 158, 159, 162, 163, 166, 167, 170, 171, 174, 175, 178, 179, 182, 183, 186, 187, 190, 191, 194, 195, 196, 199, 200, 201, 202, 204, 442, 443, 460, 461, 463, 464, 470, 474, 479, 483, 492, 496, 500, 505, 509, 514, 523, 528, 532, 536, 545, 551, 552, 553]
                Decoding errors (5): [200, 202, 461, 463, 464]
        Objects with JS code (23): [6, 20, 36, 40, 44, 52, 68, 76, 80, 92, 104, 108, 112, 142, 146, 154, 158, 166, 170, 174, 186, 194, 199]

This is correct and expected.

However, switching to this repo, the following code, even with force mode on, gets stuck on an error and never reports Objects with JS Code. It does report Objects, CompressedObjects, Streams, and other data successfully.

from peepdf.PDFCore import PDFParser


fileName = "myfile.pdf"
pdfParser = PDFParser()
ret, pdf = pdfParser.parse(fileName, True, True, False)
statsDict = pdf.getStats()
print(statsDict)

I get this instead:

    "[!] Error parsing object: 550 0 obj ([!] Error creating PDFStream: list indices must be integers or slices, not float)"
  ],
  ...
'Objects with JS code': None

[digitalsleuth]

Hi @kandji-alex , are you able to provide the pdf file you used so I can identify the source of the issue?

[digitalsleuth]

Sure! You can email it, zipped and password protected, to ***@***.***

…

________________________________ From: kandji-alex ***@***.***> Sent: Wednesday, February 21, 2024 7:13:25 PM To: digitalsleuth/peepdf-3 ***@***.***> Cc: Corey Forman ***@***.***>; Comment ***@***.***> Subject: Re: [digitalsleuth/peepdf-3] Null `Objects with JS Code`: Error creating PDFStream: list indices must be integers or slices, not float (Issue #18) Sure, can I send privately? — Reply to this email directly, view it on GitHub<#18 (comment)>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/AO7OHXRK2QJLSIY5SX27B3DYU2ESLAVCNFSM6AAAAABDTYD6SWVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTSNJYGQZTANBUGI>. You are receiving this because you commented.Message ID: ***@***.***>

[digitalsleuth]

Ahhh, email address didn't show up! Sorry about that, you can send it to github at digitalsleuth dot ca

[kandji-alex]

I thought you were just trolling me XD

[kandji-alex]

Sent.

[digitalsleuth]

Hi @kandji-alex , just wanted to give you a heads up that I haven't forgotten about this, and am working on it when I have some time to dedicate to this. I'll let you know as soon as I have some info!

[kandji-alex]

Awesome! And yeah I sent another email but, I have interest in peepdf being maintained and easily accessible via pypi. So I'd be happy to work any issues or contribute if you need another set of eyes, a review, whatever.

[digitalsleuth]

Hi @kandji-alex This issue has been identified and has been resolved in the next upcoming release. I'm currently doing some linting and will be releasing this in the next 24 hours. Thanks for keeping an eye out for issues!

Cheers!

[digitalsleuth]

Hi @kandji-alex , this has been fixed in the latest release, v4.0.0.

Cheers!

[digitalsleuth]

Haven't received any updates on this. If the issue still exists, please open a new issue.