Nice montage too.
I suppose this is real footage, you can see it in different documentaries films from various countries. But which mediatheque have the original, this i don't know.
It would be interesting to know the story inside the story : how such film archives from the Red side reach the "West". The one with Makhno, as well as the ones of your post with Trotsky everywhere and Staline nowhere (which is logic, since Stalin had a minor role in the RCW, so there where simply much less such archive about him) should have been destroyed by Stalin (and the one about Makhno, even destroyed by Trotsky ;-)).
We should remember that they had not the numerized video tools we have now to. I guess the one the Staline services can't modify somehow, they better destroy it or stock it in remote basement of the Cheka.