> It's already absolutely impossible to send someone a link to a pdf you've found through google, this would make it impossible to send any link.

Do you have an example of that behavior?

I wanted to know "what is a lure in counterintelligence?". Here is a link to the second search result, which happens to be a PDF:

https://fas.org/irp/eprint/ci-glossary.pdf

For the answer to the query, search for "dangle" in the PDF.