As its secondary type is one of the glitch types, which do not have any weaknesses or resistances, this glitch Pokémon has the same weaknesses and resistances as a pure Normal-type Pokémon.
Although this glitch "Pokémon" doesn't evolve or have a designated engineering code, it does increase its HP and Attack stats progressively. At levels 19 and 43 it increases its stats dramatically, similar to that of a Pokémon evolving via a stone.
This glitch Pokémon article is part of Project GlitchDex, a Bulbapedia project that aims to write comprehensive articles on glitches in the Pokémon games.