https://exiftool.org/

And it has it's own forums with tens of thousands of posts!

https://homeofficemedia.blog.gov.uk/electronic-travel-author...

Some examples:

* general auto blog which writes about how 80% of details of some cars are now Russian made

* some general English language construction blog tells about how cool is Russian made Crimean bridge

* some English language aviation page showing how advanced some Soviet planes are

* some Italian page showing how dirty is metro in Italy but how clean it is in Saint Petersburg

* some randome culture page shows cool Russian brutalist architecture

There is so much content like this trying to mascerade as non-political but with clear agenda.

There are no methods to report such pages to Facebook moderation

Here is idea for hacker news crowd: make service which is a proxy for phone number validation: user needs to validate his phone number once in that app and any other 3rd-party service can ask this app for security code which confirms phone number ownership. We use something similar by offloading phone number confirmation via Telegram bot. Also this proxy service could optionally offload management of "bad" phone numbers used by spammers and add other protections