Version 3.0.3 is available upstream. Please consider updating! It seems that version 3.0.3 is available upstream, while the latest version in the Gentoo tree is 2.0.27. You think this warning is false? Read more about it here.
The Apache PDFBox™ library is an open source Java tool for working with PDF documents. This project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. Apache PDFBox also includes several command line utilities.