How do scrape or download pdfs from a collection of shtml links?

I scraped a list of shtml links. They are now saved in a .xlsx file.

List

I already tried looking for excel macros, r code, python code, chrome extensions and desktop programs. I could not find any research that was helpful to me.

Each .shtml link leads to a web page with at least one .pdf at the center of the page that I need to download.

Any help appreciated!