The draw took place at CAF's headquarters in Cairo on Wednesday afternoon.
The Brazilians have been pitted with AS Vita (DR Congo), St George (Ethiopia) and Esperance (Tunisia) in Group C.
The opening round of group fixtures is scheduled to take place on the weekend of May 12-14, with Downs hosting the Ethiopian outfit.
Earlier, SuperSport United and Platinum Stars learnt the identity of their next opponents in the Confederation Cup.
Group A: Ferroviario Beira, El Merrikh, Al Hilal, Etoile du Sahel
Group B: Caps United, Ahli Tripoli, USM Alger, Zamalek
Group D: Zanaco, Cotton Sport, Wydad Casablanca, Al Ahly