You download a .rar (like the one you mentioned) or .zip file. This is often done to hide the malicious code from email scanners that might block a direct Office attachment.
Because Microsoft has been cracking down on Office macros, threat actors have started hiding their malicious files inside container formats like or ISO to bypass security filters. Office Macro Downloader.rar
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. You download a
Are Internet Macros Dead or Alive? covers how attackers are still finding ways to make macros effective despite new security measures. Inside that archive is a Word or Excel document
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.