Sahih Muslim Book 10, Hadith Number 3784.

Chapter : The price of a dog, the sweets of a kahin, the earnings of a prostitute and the selling of a cat are all forbidden.

Abu Huraira (Allah be pleased with him) reported Allah’s Apostle (may peace be upon him) saying about a person who becomes insolvent and (the thing bought by him) is found intact with him, that belongs to one who sold it.