> There are rectangular regular areas that look like memory, there is a large area in the center with small random looking structure, looking like synthesized logic and some part that look like hand-crafted analog.

And the PIC12 is known to be a source of inspiration for dirt-cheap Chinese microcontrollers, see for example [0].

Hard evidence? No. But if it looks like a duck, walks like a duck, and quacks like a duck...

[0]: https://cpldcpu.wordpress.com/2019/08/12/the-terrible-3-cent...