PDFs can be hacked. Here’s how stay to safe
Avast News news@emails.avast.com
Can you be more specific, post a screenshot of the problem.
It isn’t clear where you are trying to get too (as the ‘Avast News news@emails.avast.com’ isn’t a link ?
If you are referring to this old blog news item from Feb 2022 - https://blog.avast.com/fake-avast-email-scam-avast - I have no problem connecting to that page.
If you are referring to this even older topic from June 2020 - https://forum.avast.com/index.php?topic=235170.0 - and that title is some what off the mark.