Musnad Abu Ya'la al-Mawsili 152:180

Abu Khaythama narrated to us, Abd al-Rahman narrated to us, Shu'bah narrated to us, from Ali ibn al-Aqmar, from Abu al-Ahwas, from Abdullah, from the Prophet, peace and blessings of Allah be upon him, who said: "The Hour will not be established except upon the most evil of people."