An investigation into the top 10,000 Alexa sites reveals that many of these popular were infected with cryptocurrency miners and credit card skimming scripts. Palo Alto Networks found that some of these top sites that receive the highest amounts of internet traffic had ongoing malicious activity resulting from crypto miners. The impacted domains include: libero[.]it, pojoksatu[.]id, www.heureka[.]cz Malicious External Link Web Skimmer 5204. The number one website in Italy offers various types of content and services: webmail, search engine, news, and more.
Source: https://www.bleepingcomputer.com/news/security/top-sites-infiltrated-with-credit-card-skimmers-and-crypto-miners/