/usr/bin/pfm2kpx is in texlive-font-utils 2009-10ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../share/texmf-texlive/scripts/fontools/pfm2kpx
/usr/bin/../share/texmf-texlive/scripts/fontools/pfm2kpx