Description of the issue: shows ads once you fill the text box
Exact URL of the website in question: https://www.y2mate.com
Screenshot of the ad as it appears in Brave top right corner 
Did the issue present with default Shields settings? (yes/no) yes even with ad blocking set to aggressive
Does the site function as expected when Shields are turned off? site works fine but ads still show
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no): no
Does the site work as expected when using Chrome? yes but with ads
Brave version (check About Brave):
Version 1.29.77 Chromium: 93.0.4577.63 (Official Build) (64-bit)
The site shows ads also on brave android v1.29.76, Chromium 93.0.4577.58