Popup - U.S. DEPARTMENT OF LABOR (pua2021.pw)
A WhoIs lookup reveals the domain was registered in the Russian Federation via Beget LLC on July 26, 2021 - Whois pua2021.pw
VirusTotal - VirusTotal
Popup will have you download your PUA claim in the form of a .rar file. When converted to .zip, it is revealed to contain several trojans, including Kryptik, AgentTesla and Reline.