pdfgrep is a GNU/Emacs module providing grep comparable facilities but for PDF files. Its usage is similar to the grep function: using the next-error function gets you to the next matching page…

The pdfgrep program must be installed on your system.

If the pdf-tools module is installed and enabled, when a matching page is displayed, the matching regions are highlighted.

Configuration

(require 'pdfgrep)
(pdfgrep-mode)

Example