If you live in Pa it is probably one that was brought in illegally and it ether got lose
or became a problem and was released into the wild. They don't tame well and are large enough
to inflict damage on anyone ,especally small children.
It probably wont make it through the winter because it is a warm weather cat.
The ones we see are normally no farther north than central Texas, Arizona and New Mexico.
There should be some in southern California also.
You should show the picture to your game warden and see if they want to try and trap him for
re location to save his life.