I am assigned to do daily malware scans on our Wordpress website to make sure everything is going right. Therefor I have installed Maldetect 1.5 and ClamAV. As I wanted to know if everything is working as it should be, I uploaded an example malware file with with base64 hidden PHP code as copied from <https://aw-snap.info/articles/php-examples.php>.

However, if I scan these files, Maldetect say "files 4, malware hits 0, cleaned hits 0". 

This means that I cannot be sure that Maldetect is actually detecting existing malware. Does anyone here have experience with this and wants to help me?

Cheers