The victim, aged in her 20s, was with another woman outside The College of Haringey, Enfield and North East London, when two men came up behind them last month.
Both men then fled towards Pelham Road just after 7.30pm on September 28.
The first man was believed to have had blond or ginger shaved hair and stubble.
He was around 5ft 6 inches tall, wearing a burgundy hoody and carrying a Tesco carrier bag.
The second man was described as being of Mediterranean appearace, aged in his late 20s or early 30s, and clean shaven with spiky hair.
He was said to be wearing a grey hoody.
Detective Constable Ben Cousin of Haringey Community Safety Unit said: “This was a shocking attack in broad daylight in the middle of a busy street.
Racially and religiously motivated crimes will not be tolerated I would appeal to anyone who witnessed this attack to contact police. “