Things like this where a tried and tested method on Upwork, particularly in the 2021-2022 crypto/nft highs. At some point they branched out from crypto projects and cast a wide net across different categories.

Last I recall was a download of a windows scr (screensaver masquerading) file.

Linkedin is a new low, and I'm sure the platform doesn't really care (look, more jobs), just as ad network companies (Google, Meta) don't really care about scam ads.

I reported a fake costco website ad (cc harvester) to Google, their response was something along "we cannot verify the ad", go figure