Add PDF hashes (Acrobat 2-11)
The hashes can be extracted from a protected pdf using pdf2john.

• PDF 1.1 - 1.3 (Acrobat 2 - 4) [Hashcat Mode: 10400]
• PDF 1.4 - 1.6 (Acrobat 5 - 8) [Hashcat Mode: 10500]
• PDF 1.7 Level 3 (Acrobat 9) [Hashcat Mode: 10600]
• PDF 1.7 Level 8 (Acrobat 10 - 11) [Hashcat Mode: 10700]