According to rule 53.7, this should be a penalty shot.

Rule 53 – Throwing Equipment

53.7 Penalty Shot - When any member of the defending team, including the Coach or any non-playing person, throws or shoots any part of a stick or any other object or piece of equipment at the puck or puck carrier in his defending zone, the Referee or Linesman shall allow the play to be completed and if a goal is not scored, a penalty shot shall be awarded to the non-offending team. This shot shall be taken by the player designated by the Referee as the player fouled