What is this Why does Google Analytics report that I have traffic at a calculator.php inURL for my blog post URL?

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asked May 7, 2015 at 10:41

What is this calculator.php in my blog post URL?

I frequently see this URL having traffic via Google Analytics although I don't have any page and with that strucuter either.

URL - techanger.com/calculator.php?get=windows-8-1-download-link-product-key

The bold part is what I don't understand. It does not exist on our website. Is that a glitch?

php web-crawlers traffic