Inside that archive is a Word or Excel document. When you open it, it usually shows a fake "Protected" message, urging you to click "Enable Content" to see the file.
Historically, hackers sent .doc or .xls files directly. Now, they use a multi-step "infection chain": Office Macro Downloader.rar
It looks like you're diving into some cybersecurity research! Finding a file named Office Macro Downloader.rar is a major red flag, as this is a classic technique used by hackers to deliver malware. Inside that archive is a Word or Excel document
Are threat actors turning to archives and disk images? provides a technical look at how .rar and .iso files help bypass "Mark of the Web" security tags. Office Macro Downloader.rar
Macro-Blocking & How Threat Actors Are Adapting - Proofpoint