Sophos: Google easily fooled by PDF link-farms
July 10, 2015
Link-farming with PDF (still) fools Google. What are they parsing, and what are they doing with what they get?
About Duff Johnson
As CEO, Duff coordinates industry activities and promotes the advancement and adoption of PDF technology worldwide.
The Sophos blog discusses their discovery of a (very) old method of SEO manipulation leveraging Google's (apparent) trust in the contents of PDF documents.