This file is indexed.

/usr/lib/x86_64-linux-gnu/libphonon4qt5.so is in libphonon4qt5-dev 4:4.8.3-0ubuntu3.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4