pdfdetach
List or extract attachments (embedded files) from a PDF file. tldr-pages
On Linux
Linux
List all attachments in a file with a specific text encoding
pdfdetach list -enc UTF-8 path/to/input.pdfIdentifySave specific embedded file by specifying its number
pdfdetach -save number path/to/input.pdfIdentifySave specific embedded file by specifying its name
pdfdetach -savefile name path/to/input.pdfIdentifySave the embedded file with a custom output filename
pdfdetach -save number -o path/to/output path/to/input.pdfIdentifySave the attachment from a file secured by owner/user password
pdfdetach -save number -opw password path/to/input.pdfIdentify