Embed/Hide anything inside any PDF files
The script appends files as raw bytes at the end of any PDF. Your files will be not really "hidden".
PDF-Readers ignore these parts and don't "see" them.
$ python3 stego.py -h
Usage: stego.py [options]
Options:
-h, --help show this help message and exit
--embed hide files in PDF
--extract extract hidden files
Embed:
$ python3 stego.py --embed <PDF file> <File to hide>
$ python3 stego.py --embed example.pdf example.txt
Extract:
$ python3 stego.py --extract <PDF file>
$ python3 stego.py --extract example.pdf