unwanted links

i already un-clicked the notification options in settings but i am still receiving spam solicitation that i don’t want from @Diamond Damien and it’s annoying af like no one actually gives a shit about those dumb ass offers bro, stop fucking spamming my email/inbox

I have a wordpress website. Last day i saw my website and i have seen my some of the content automatically added some text(visit now, click, etc type words) and it hyperlinks by another sites. :weep::weep: How i can remove this links? But, When I have seen it from my browser(which have log in)...