After entering the password, the site asks you to download a file, I have not tried it, but it is dangerous to download that file or create any new wallet.
If you do not mind to explore a little more about this website, you can try doing it in a Virtual Machine and do what was instructed, to make sure that you are secure you can do a double layered Virtual Machine. I am not that tech savvy but a Youtuber that I am following is doing this kinds of stuff that involves downloading suspicious files and getting attacked by a ransomware.
Finally, as you mentioned, the website design can be found in many sites.
Website design is the biggest giveaway if you are suspicious of one, most scam websites do not even change the template or texts on the website to at least sell it to an average user.