/usr/lib/x86_64-linux-gnu/libpe_rules.so.2 is in libpe-rules2 1.1.18-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpe_rules.so.2.3.0
/usr/lib/x86_64-linux-gnu/libpe_rules.so.2.3.0