Bad actors often look for clever ways to boost the rankings and visibility of their spam pages in search.

One of the many black hat SEO injections that we regularly find on compromised sites involves spammy links hidden inside a <div> with the following style “overflow:hidden;height:1px” that makes them invisible to a regular site visitor.

Our SiteCheck scanner detects these SEO link injections as “spam-seo.hidden_content?68.5”.

Continue reading Gambling Spam in Visual Composer Raw HTML Element: [vc_raw_html] at Sucuri Blog.

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