Hidden SEO Spam Link Injections on WordPress Sites

Often when a website is injected with SEO spam, the owner is completely unaware of the issue until they begin to receive warnings from search engines or blacklists.

This is by design — attackers intentionally try to prevent detection by arranging injected links so they are not visible to average human traffic.

One of the techniques attackers use is to “push” the injected SEO spam links off the visible portion of the website.

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