/usr/share/doc/apache2/changelog.Debian.gz is in apache2 2.4.18-2ubuntu3.8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/apache2/../apache2-bin/changelog.Debian.gz
/usr/share/doc/apache2/../apache2-bin/changelog.Debian.gz