Hey guys!

I hope this is the right forum for this.

Someone created approximately 2000+ bad/spam backlinks to a specific page on our site from porn sites and all sorts of other bad sources. I don't know what the reason or purpose of this is and whether it is competition trying to harm us or what not.

The result is that it is and has hurt our Google SERPs so we need to do something about it. Right now I've created a 301 redirect to a 404 page for this specific page on our site so that it would go through to a 404 Not Found.

I assume the best way is to do a 410 Gone header so that Google would know but I'm not sure so I need your help please.

Since they link to this specific page, the problem seems easy to solve.
What do we do? Where do we redirect to and how do we redirect (which status)?
What is your recommendation?

Thank you for your input, greatly appreciated!