سُنَنُ أَبِي دَاوُدَ
Sunan Abi Dawud 4317
Battles (Kitab Al-Malahim)
The appearance of the Dajjal
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، عَنْ مُحَمَّدِ بْنِ جَعْفَرٍ، عَنْ شُعْبَةَ، ك ف ر .
Shu’bah said in his version: “the letters k, f, r” (are on his forehead).
Sunan Abi Dawud, 4317