Nowhere on that page nor the TOS does it mention it will auto-install McAfee Anti-Virus. When you click the link, it downloads the installer, the installer opens to begin downloading the payload, and immediately after that it begins installing 2 McAfee products + Acrobat. There are no additional checkboxes or agreements between the home page and the final installation.
This is incredibly annoying because:
a) You shouldn't install 3rd party software without someone's consent (there are explicit laws against it in some countries)
b) It auto-opens McAfee after Acrobat's installed, inundating you with McAfee's slew of auto-updates and mandatory tutorial crap
I'm giving so much detail because Adobe employees reply to these threads basically calling the OP dumb for missing a checkbox somewhere. Here's a screenshot of the Acrobat download page via the link above as of 2/16/2021. Where on that page does it mention anything about McAfee's products?