DavidR
Yes they checked but found nothing.
I got this info from another source.
They said:
I get URLs like that too, once in a while, on my site.
I'm too lazy to check, but there's probably some exploit out for some poorly secured PHP app. Some botnets are trying the name for the exploitable page on every server they hit, including yours, in the hope that you are running this application and they can use it to take over your server.
Nope, so long as that file doesn't sit on your server, the worst effect will be the increase in traffic from all those bogus requests. You could reduce that a bit by presenting a shorter 404 page, or a custom one just for that access. But it's mainly just an annoyance.