This file is indexed.

/usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so is in libkf5bookmarks-dev 5.18.0-0ubuntu1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5