pdfcrack
There are 4 repositories under pdfcrack topic.
machine1337/pdfcrack
An Advanced tool to Crack Any Password Protected PDF file. A very user friendly script especially for noob hackers.
tamton-aquib/veldora
A rust program to bruteforce ZIP, PDF and some common hashes.
tamton-aquib/bruttle
A small python script to bruteforce zips,pdfs and some popular hashes.