This file is indexed.

/usr/lib/x86_64-linux-gnu/libsfml-audio.so.2.4 is in libsfml-audio2.4 2.4.2+dfsg-4.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libsfml-audio.so.2.4.2