You have an example in the wild?
Looking around on Reddit I see a lot of them have started to get banned, I was able to find the name of it though; Aptilink. An Aptilink viral marketing search yields posts like these; https://www.reddit.com/r/antiwork/comments/18iyl5v/linkedin_... and people discovering it's marketing: https://www.reddit.com/r/HailCorporate/comments/1e9t44j/aita...
alt Hacker News
Looking around on Reddit I see a lot of them have started to get banned, I was able to find the name of it though; Aptilink. An Aptilink viral marketing search yields posts like these; https://www.reddit.com/r/antiwork/comments/18iyl5v/linkedin_... and people discovering it's marketing: https://www.reddit.com/r/HailCorporate/comments/1e9t44j/aita...