The victim suffered an injury to his left hand, which required hospital treatment, and cuts and bruises to his face, legs and ribs.
Detective Constable Duncan Lloyd said: “We are seeking witnesses to this incident as the victim was unable to describe the suspects due to them wearing hoods or balaclavas.”
“If you were in the area at the time and noticed a group men please get in contact with us.”
Anyone who witnessed the incident is asked to report online or call 101 quoting serial 165 of 13/12. Alternatively, call visit the Crimestoppers website or contact the independent charity anonymously on 0800 555 111.