$ sudo apt-get update
$ sudo apt-get install pdfcube-dbg 

pdfcube-dbg is installed in your system.

Make ensure the pdfcube-dbg package were installed using the commands given below,

$ sudo dpkg-query -l | grep pdfcube-dbg *

You will get with pdfcube-dbg package name, version, architecture and description in a table

pdfcube-dbg package basic information: