Muwatta Malik 1792
موطأ مالك#1792Da'ifMalik related to me that he heard that Umar ibn al-Khattab wanted to go to Iraq, and Kabal-Ahbar said to him, "Do not go there, amir al- muminin. There is nine-tenths of sorcery there and it is the place of the rebellious jinn and the disease which the doctors are unable to cure
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Daif
In-book reference: 54:30