The assault is believed to have taken place in Telford at around 8.45pm on Thursday.
The victim man, who is in his fifties, was walking along a footpath from Southwater Way in the town centre, towards Brunel Road in Malinsee, when he was approached by four men, who are believed to have walked from Coachwell Close on to the footpath.
The man was assaulted, then punched and kicked while he was on his knees. It is also reported that he was threatened with a bladed object.
The victim received injuries to his face, knees and chest but did not require hospital treatment.
The attackers were described as four men in their late teens to early twenties. At the time of the assault, they were all wearing hooded tops, baseball caps and their faces were covered with scarves or similar items.
West Mercia Police confirmed there have been no arrests in connection with the assault.
Investigating officers are keen to speak to anyone who witnessed the attack or saw any suspicious behaviour in the area at the time.
Anyone with information is asked to call West Mercia Police on 101, quoting incident reference number 733S of March 8.
Alternatively people can contact Crimestoppers anonymously on 0800 555111 or at crimestoppers-uk.org.