This file is indexed.

/usr/lib/x86_64-linux-gnu/libmarblewidget-qt5.so is in libmarble-dev 4:15.12.3-0ubuntu2.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libmarblewidget-qt5.so.23