Install xpdf by entering the following commands in the terminal:
sudo apt update sudo apt install xpdf
Description:
Portable Document Format (PDF) reader
xpdf is a light-weight open source viewer for Portable Document Format (PDF) files (also called 'Adobe Acrobat' or 'Acrobat' files). This is just the xpdf viewer client; various command-line pdf tools are now provided via the poppler-utils package.
Homepage: https://www.xpdfreader.com/
Version: 3.04-7
Section: universe/text