This file is indexed.

/usr/lib/x86_64-linux-gnu/libQtXmlPatterns.so.4 is in libqt4-xmlpatterns 4:4.8.7+dfsg-7ubuntu1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libQtXmlPatterns.so.4.8.7