http://redlib.nowhevi57f4lxxd6db43miewcsgtovakbh6v5f52ci7csc2yjzy5rnid.onion
Instead, after clicking the captcha box, another thing popped up on the page telling the user to press windows + r, then copy and paste the text shown in the included image to verify that they are a human. Obviously some kind of scam but this was the first time I saw this version, let alone on a reddit advertisement.