/usr/share/doc/pnp4nagios/ is in pnp4nagios-web 0.6.16-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/pnp4nagios-web/AUTHORS
/usr/share/doc/pnp4nagios-web/README
/usr/share/doc/pnp4nagios-web/README.Debian
/usr/share/doc/pnp4nagios-web/changelog.Debian.gz
/usr/share/doc/pnp4nagios-web/changelog.gz
/usr/share/doc/pnp4nagios-web/copyright
/usr/share/doc/pnp4nagios/examples/
/usr/share/doc/pnp4nagios/examples/pages/
/usr/share/doc/pnp4nagios/examples/pages/web_traffic.cfg
/usr/share/doc/pnp4nagios/examples/ssi/
/usr/share/doc/pnp4nagios/examples/ssi/status-header.ssi
/usr/share/doc/pnp4nagios/examples/templates.special/
/usr/share/doc/pnp4nagios/examples/templates.special/README
/usr/share/doc/pnp4nagios/examples/templates.special/advanced_loop.php-sample
/usr/share/doc/pnp4nagios/examples/templates.special/loop.php-sample
/usr/share/doc/pnp4nagios/examples/templates.special/static.php-sample