cups-pdf 2.4.6-1 (amd64 binary) in ubuntu gutsy

 CUPS-PDF provides a PDF Writer backend to CUPS. This can be used as a
 virtual printer in a paperless network or to perform testing on CUPS.
 .
 Documents are written to a configurable directory (by default to ~/PDF)
 or can be further manipulated by a post-processing command.
 .
 Homepage: http://cip.physik.uni-wuerzburg.de/~vrbehr/cups-pdf/