Yahya related to me from Malik from Nafi, the mawla of Ibn Umarthat a man from Egypt told him that Umar ibn al-Khattab recited Suratal-Hajj (Sura 22) and prostrated twice in it, and then said, "Thissura has been given special preference by having two prostrations init." (TR)
USC-MSA web (English) reference: Book 15, Hadith 13 (TR)
Arabic reference (TR): Book 15, Hadith 485 (TR)