This is a message that I received while using KPDF under linux. So I followed its instruction and announce the problem here.
**** Warning: Fonts with Subtype = /TrueType should be embedded.
The following fonts were not embedded:
**** This file had errors that were repaired or ignored.
**** The file was produced by:
**** >>>> doPDF Ver 6.0 Build 260 (Windows XP x32) <<<<
**** Please notify the author of the software that produced this
**** file that it does not conform to Adobe's published PDF