http://www.cie-usnc.org/wp-content/uploads/2010/11/CIE-Finalweb.pdf
Use this page to upload the PDF file into the media library. This page does not display, the PDF file is linked directly to the Overview Submenu item in Appearance/Menus/About — So after uploading the PDF here and getting the new link – go to the menu and put in the new link there.