Seems that particluar file is not too safe (VirusTotal - https://www.virustotal.com/en/file/c948a02d0ec0508e111c01dd163c82efa8ce2ae65fb636932c84c413908b7c8b/analysis/1383948034/). Other files from that site download fine and scan clean; perhaps some files do have PUPs in them? :-\