(51) باب مَهْرِ الْبَغِيِّ وَالنِّكَاحِ الْفَاسِدِ
Narrated Abu Mas`ud:
The Prophet (ﷺ) prohibited taking the price of a dog, the earnings of a soothsayer and the money earned by prostitution.
Reference: Sahih al-Bukhari 5346
In-book reference: Book 68, Hadith 91
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 7, Book 63, Hadith 258