My front page has been hacked, I can’t remove a link

My webpage has been hacked https://www.bdpcali.com
In my front page there is a link with a 404 error that says ([removed]) underneath the header, it appears in all the pages.
I try to remove it from the editor function on wordpress but I can’t find it. When I inspect the element on google chrome I can see the (A href) link but I can’t find the way to remove it. I would be very grateful y someone can help me. And is there a way to prevent this hackings for the future?
Thanks!