(False) positive with WordFence?

Just FYI:

This email was sent from your website "PREMAMAN South Africa" by the Wordfence plugin.

Wordfence found the following new issues on "PREMAMAN South Africa".

Alert generated at Friday 24th of October 2014 at 01:31:41 PM
Critical Problems:

* File contains suspected malware URL: /var/www/clients/clientxx/webxx/web/wp-content/plugins/popover/inc/rules/class-popup-rule-referrer.php
* File contains suspected malware URL: /var/www/clients/clientxx/webxx/web/wp-content/plugins/popover/popoverincludes/classes/popoverajax.php