/usr/bin/afm2afm is in texlive-font-utils 2012.20120611-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../share/texlive/texmf-dist/scripts/fontools/afm2afm
/usr/bin/../share/texlive/texmf-dist/scripts/fontools/afm2afm