Question 44: On the last night of Ramadaan in 1400 A.H., the Imaam (the one who leads congregational Prayer) finished the recitation of the whole Qur’aan. He said that the reward of this Khatmah (completing of one reading of the whole Qur’aan) is dedicated to our Prophet Muhammad (peace be upon him). What is the opinion of the Sharee`ah (Islaamic law) on this?
Answer: It is not permissible to dedicate the reward of any act of worship or Khatmah to the Messenger (peace be upon him). The Salaf (righteous predecessors) from the Sahaabah (Companions of the Prophet) and those after them did not do so… read more here.