Requirements :


Kali Linux

Internet







COMMANDS 





git clone https://github.com/openwall/john


cd john


 cd run

file used to crack your pdf == ./pdf2john.pl 

./pdf2john.pl /home/kali/yourpdfpath.pdf> /home/kali/Desktop/extactedpath.txt

Go to the extracted key path 

cd /home/kali/Desktop/ 


john --format=pdf extractedpath.txt