Add support for PDF files in Magentos WYSIWYG editor.
The easiest way to install the module is by using modman:
modman clone git://github.com/karlssonlord/KL_WysiwygPdf.gitmodman deploy KL_WysiwygPdf
Click the button for Insert/Edit Link in the editor and select to browse files. With this module installed and enabled you are now allowed to select PDF files as well as image files.