https://www.bleepingcomputer.com/news/security/ransomware-gangs-use-seo-poisoning-to-infect-visitors/

Researchers have spotted two campaigns linked to either the REvil ransomware gang or the SolarMarker backdoor that use SEO poisoning to serve payloads to targets.

SEO poisoning, also known as "search poisoning," is an attack method that relies on optimizing websites using 'black hat' SEO techniques to rank higher in Google search results.