The victim sustained a head injury, however he did not require medical treatment.
The suspect then made off in the direction of Angus Avenue.
He is described as white, in his 40's, with a gaunt appearance and light coloured brown hair.
He was wearing a green jacket, jeans, white trainers, a dark cap, possibly a flat cap. The man was also carrying a bottle of tonic wine.
Officers are checking CCTV images for any additional information on the suspect.
Enquiries carried out so far have revealed that the suspect for the robbery also vandalised a car in Hurly Hawkin prior to the robbery taking place.
Detective Sergeant Robert Bowie said:
“This man has been intent on causing trouble, he has vandalised a car and carried out an unprovoked attack on a man who was walking along a street. This behaviour is unacceptable and we are carrying out enquiries to identify him. I am appealing to local residents, motorists and taxi drivers who may have been in the area around the time of the incidents to contact us as they could have information which could assist us in our investigation.”
Anyone with information is asked to call officers at the Greater Glasgow Community Investigation Unit via 101, quoting incident number 0036 of Tuesday 13 November 2018.
Alternatively, please call CrimeStoppers on 0800 555 111 where information can be given anonymously.