It sounds like you're describing a situation where actual users were duped into accessing another site which was displaying your content in an iframe, but that'

It sounds like you're describing a situation where actual users were duped into accessing another site which was displaying your content in an iframe, but that's slightly different from what this article is talking about. The sites this article is describing do copy content from other sites, but only to make it look legitimate at first glance. They aren't trying to get actual users to access the site, but instead using bots for click fraud.