pdfattach

Add a new attachment (embedded file) to an existing PDF file. tldr-pages

On Linux

Linux

Add a new attachment to an existing PDF file

pdfattach path/to/input.pdf path/to/file_to_attach path/to/output.pdfIdentify

Replace attachment with same name if it exists

pdfattach -replace path/to/input.pdf path/to/file_to_attach path/to/output.pdfIdentify

Display help

pdfattach --helpIdentify

Display version

pdfattach -vIdentify