/usr/lib/x86_64-linux-gnu/libQupZilla.so.1 is in libqupzilla1 1.8.9~dfsg1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libQupZilla.so.1.8.9
/usr/lib/x86_64-linux-gnu/libQupZilla.so.1.8.9