It definitely visually resembles the PL-12, but it might have Russian tech.
That’s what this article suggests: Why North Korea’s striking new air-to-air missile likely betrays Russian help | NK News
“It might look American or Chinese on the outside, but the internal subsystems and know-how are almost certainly Russian,”
I don’t think we’ll ever know for sure, tbh. In the event this gets added to the game they could just pick either the R-77 or PL-12 and go with those stats, given that they aren’t too different from each other