The judge ordered a fine of 10,000 ringgit (3,000 dollars) for violating conservation laws, according to the New Straits Times.
The 21-year-old defendant was arrested by police last month in Beaufort town in the state of Sabah on Borneo island, about 1,575kilometres east of Kuala Lumpur.
The pangolin is a protected species in Malaysia but smuggling is rampant due to high demand for its meat.