Sunan Ibn Majah 104
سنن ابن ماجه#104Da'ifIt was narrted that Ubayy bin Ka'b said:"The Messenger of Allah said: 'The first person with whom Allah will shake hands will be 'Umar, (and he is) the first person to be greeted with the Salam, and the first person who will be taken by the hand and admitted into Paradise
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Fouad Abd al-BaqiMunkar
Zubair Ali ZaiDaif