To make things even more interesting, the "original" PDF seems to have been generated by Ghostscript 8.15 and PScript5.dll 5.2, that is, it was also "printed to

To make things even more interesting, the "original" PDF seems to have been generated by Ghostscript 8.15 and PScript5.dll 5.2, that is, it was also "printed to PDF" (from Microsoft Word, I presume).