>>27828991I can assume, though.
The odds of finding a 6IV pokemon is 1/1,073,741,824.
The odds of finding a shiny are 1/4096 with shiny charm.
that's 1/4,398,046,511,104 chance of finding that legit. Plus it's Timid, a preferred nature, which makes it even more slim.
Occam's Razor says it's hacked.