/usr/lib/x86_64-linux-gnu/libtexlua52.so.5 is in libtexlua52 2017.20170613.44572-8ubuntu0.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libtexlua52.so.5.2.4
/usr/lib/x86_64-linux-gnu/libtexlua52.so.5.2.4