/usr/lib/x86_64-linux-gnu/libwmf.so is in libwmf-dev 0.2.8.4-10ubuntu1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwmf-0.2.so.7.1.0
/usr/lib/x86_64-linux-gnu/libwmf-0.2.so.7.1.0