This file is indexed.

/usr/share/doc/kdelibs5-plugins/NEWS.Debian.gz is in kdelibs5-plugins 4:4.14.16-0ubuntu3.

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

It is a symlink to /usr/share/doc/kdelibs5-plugins/../libkdecore5/NEWS.Debian.gz