In such a scenario, having a file open automatically upon being downloaded can prevent such a thing. You can do it in Edge, but how do you do that in Google Chrome?

If you keep Chrome up-to-date without changing any settings, any PDF you download may open within the web browser by default.

How to Change the Way You Open Files in Google Chrome. The default applications your computer uses to open files can be changed if you prefer to use something other than what is currently set.