/usr/lib/x86_64-linux-gnu/liblog4cpp.so.5 is in liblog4cpp5v5 1.1.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblog4cpp.so.5.0.6
/usr/lib/x86_64-linux-gnu/liblog4cpp.so.5.0.6