This file is indexed.

/usr/lib/x86_64-linux-gnu/libppl_c.so.4 is in libppl-c4 1:1.2-2build4.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libppl_c.so.4.0.0