Package qpdf

Command-line tools and library for transforming PDF files

http://qpdf.sourceforge.net/

QPDF is a command-line program that does structural, content-preserving
transformations on PDF files. It could have been called something
like pdf-to-pdf. It includes support for merging and splitting PDFs
and to manipulate the list of pages in a PDF file. It is not a PDF viewer
or a program capable of converting PDF into other formats.

General Commands
Command Description
fix-qdf repair PDF files in QDF form after editing
qpdf PDF transformation software
zlib-flate raw zlib compression program