Access WordPress from subdomain

Hi!

I have wordpress in the root directory of my domain.

I have had the need to create static html documents some levels deep into the hierarchy, and I’ve never had a problem before trying to access those pages. They look like: https://www.example.com/folder/folder/static-page.html

Now, I need to access those pages using subdomains like: https://subdomain.example.com/static-page.html, but there is no way wordpress will allow me to access those pages. Any subdomain I create must be in the root directory or in sub folders of my wordpress installation, so I assume that any subdomain would be affected by wordpress.

Is there a way I can access those pages? I’m a newbie, so I would appreciate any help.

Thanks in advance!