Soufiane Bourite (6th), Idriss Rais El Fenni (16th), Soufiane El Mesrar (17th), Anas El Ayyane (31st) and Bilal Bakkali (35th) scored for the Atlas Lions, while Adérito (7th) scored the only goal for the Angolans.
Earlier in the day, Libya beat Egypt 3-1 on penalties (regular time: 2-2) to secure the third spot.
The top three teams in this African contest book their tickets at the Futsal World Cup, which will be held in Uzbekistan from September 14 to October 6.