Martin-Éric Racine maintains a Debian package of CUPS-PDF which is part of the official distribution.
For openSUSE packages are maintained at their Build Service.
For Gentoo there is a package of CUPS-PDF in the net-print category.
A build of CUPS-PDF for Slackware can be found on SlackBuilds.org.
CUPS-PDF is also available in the packages and ports collection of OpenBSD.
A package of CUPS-PDF for the T2 System Development Environment can be found here.