poppler-utils software package provides PDF utilities (based on Poppler), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install poppler-utils
poppler-utils is installed in your system.
Make ensure the poppler-utils package were installed using the commands given below,
$ sudo dpkg-query -l | grep poppler-utils *
You will get with poppler-utils package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | poppler-utils |
| Version | 0.24.5-2ubuntu4.4 [amd64, i386 |
| Description | PDF utilities (based on Poppler) |
| Sub Section | Utils |