The 19-year-old man was walking with his friends on Buchanan Street, between St Vincent Street and Gordon Street, in the city centre at around 6.20am on Friday, January 5.
He was directly approached by three men, and one of the trio attacked him with a bladed weapon
The gang ran off and the victim was treated at Glasgow Royal Infirmary for a hand injury.
He has since been discharged and cops are now investigating the vicious attack, which they believe to be targeted.
They are looking for the suspects, who are described as male, all 6ft, of medium build with brown skin.
At the time of the assault, all wore dark clothing and at balaclavas, and at least one spoke with a Glasgow accent.
Detective Constable Larissa Cooper said: “At this time, we believe the injured man was specifically targeted, however, have yet to establish a motive as to why that was the case.
“Officers have been checking CCTV and making local enquiries since the attack but are appealing to anyone who may have seen the assault or has any information that may assist with their enquiries to get in touch.
“The suspects were wearing balaclavas and are described by witnesses at the time as all male, 6 ft, of medium build and with brown skin.
“They were all wearing dark clothing and at least one had a local Glasgow accent.”
Anyone with information should contact Police Scotland via 101, quoting incident number 0493 of Friday, January 5, 2024.
Alternatively, information can be passed anonymously to Crimestoppers on 0800 555 111.
