Description:

pdf2john 0.2.0

pdf2john





A modern refactoring of the legacy pdf2john.py library, aimed at making the code easier to read and maintain.
Install
Install dependencies using Homebrew
brew bundle

Create a virtual environment and install Python dependencies
pyenv virtualenv 3.11.4 pdf2john
pyenv shell pdf2john
poetry install --only main

Usage
To pass the hash to john:
pdf2john example.pdf >> .hash
john .hash
john --show --format=PDF .hash

If you don't want to use poetry, you can run pdf2john as a standalone script:
git clone https://github.com/benjamin-awd/pdf2john.git
cd pdf2john && pip install -r requirements.txt
./src/pdf2john/pdf2john.py example.pdf >> .hash

Features

Responsibility for PDF parsing and handling has been delegated to pyHanko (a crytography focused fork of PyPDF2)
CICD workflow that tests pdf2john against PDFs ranging from Security Handler Revision 2 -> 6
Removal of legacy Python 2.x support
An optional debugging flag that shows the encryption dictionary of a PDF
Readability improvements (a general attempt to be more Pythonic)

Troubleshooting
To access the encryption dictionary:
./pdf2john.py tests/pdf/pypdf/r6-user-password.pdf --debug

Acknowledgement
This repository was based on the original pdf2john.py by Shane Quigley

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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