Linux Freebsd- Pdfcrack A Command Line Password |link|

For a brute-force attack, use the -c or --charset option to specify the character set:

sudo pacman -S pdfcrack

A: Yes, there are alternative password cracking tools, such as John the Ripper and Hashcat, as well as online PDF password removal services. Linux FreeBSD- PDFCrack A Command Line Password