[Defender] Defender missed some hacked files in a scan

Path was:
wp-content/themes/bridge/includes/shortcodes/shortcode-elements/testimonial-carousel/options-map/footer.php

File attached.

Basically Defender could be improved by looking at this file . Its a pretty blatant exploit and shouldn't have been missed. A strategy for deeper file analysis when doing weekly scans is needed.
Download the file from me here:
https://teamworkapps.com/index.php/s/Wm3cWTH7sdGztmY