pdfseparate

Portable Document Format (PDF) file page extractor. More information: https://manpages.debian.org/latest/poppler-utils/pdfseparate.1.en.html.

pdfseparate path/to/source_filename.pdf path/to/destination_filename-%d.pdf

pdfseparate -f 3 path/to/source_filename.pdf path/to/destination_filename-%d.pdf

pdfseparate -l 10 path/to/source_filename.pdf path/to/destination_filename-%d.pdf