The Sucuri team said access is gained to WordPress sites through plugin vulnerabilities, including Simple Fields and CP Contact Form with PayPal. A large uptick in this activity was picked up during the third week of January.
Once inside a WordPress site the JS redirects visitors at first to four malicious sites, gotosecond2[.]com, adsformarket[.]com, admarketlocation[.]com, and admarketresearch[.]xyz. Next the URL statistic[.]admarketlocation[.]com/clockwork?&se_referrer= or track[.]admarketresearch[.]xyz/?track&se_referrer= is loaded onto the compromised site which delivers the final malicious JS payload.
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