Other accounts found that don't give any indication from the avatar, username, or display name, that they're this particular kind of scam/spammer, but who are posting the fake masto admin posts:
NOLIFEGROUP@mastodon.social
FreeMedo@mastodon.social
outdated1531@mastodon.social
tm9jv@mastodon.social
paperlink@mastodon.social
m9clpds@mastodon.social
zayu2qy@mastodon.social
Doesn't look like there's a quick way to tell now, just going into each account and looking at the posts ;/
