I was going to say this exact same question has been asked in the past. Sure enough it’s a zombie. Should we post a link to the past article? Recursion is cool. It’s sort of like the I’m my own grandpa song.
It is urban because it is being spread in modern times, in the era of urban development. Myth by itself usually conjures up images of what people believe much longer ago that were mostly spread long ago (and are possibly just maintained today.)