The assault took place on Aug. 21 at about 5:22 p.m. in front of 71 Hegeman Avenue.
The 25-year-old victim was holding a pizza box and talking to a woman when was approached by the assailant. He stabbed him with a sharp object in the face and stomach before taking off on foot, police said.
EMS took the victim to Brookdale Hospital and he was listed in stable condition.
Police released a surveillance video of the attack in hopes that someone will recognize the attacker. He was wearing a blue track suit with the hoodie pulled over his head.
A reward of up to $3,500 was offered for information that leads to the arrest of the suspect.