Jami` at-Tirmidhi 2887
جامع الترمذي#2887Mawdu'Narrated Anas:that the Messenger of Allah (ﷺ) said: "Indeed for everything there is a heart, and the Qur'an's heart is Ya Sin. Whoever recites Ya Sin, then for its recitation, Allah writes for him that he recited the Qur'an ten times
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniMawdu
Bashar Awad MaaroufDaif
Zubair Ali ZaiDaif
In-book reference: 45:13