I was just digging around my theme editor trying to insert a piece of HTML from my hosting service that says that my site is Green, because the hosting service Carbon Neutral. I decided to add the HTML to the footer of my theme. When I looked at the file there were tons of links embedded in a div that had a style of ‘display:none’ !!! I looked at the header and same thing, there were tons of hidden links. I of course deleted the divs from each file and all is well now.
It turns out that people’s WordPress themes are getting hacked for some reason. Here’s an article about it.