Windows XP reached End of Life (no security updates) in 2014. Adobe no longer supports any Reader version for XP. Using XP on the internet today is a major security risk.
Using Adobe Reader XP after its EOL date poses several risks, including: adobe reader xp
Based on the EOL status and associated risks, it is recommended that users: Windows XP reached End of Life (no security updates) in 2014
Before the hardening of Reader X, attackers exploited the JavaScript API within the PDF spec. Malicious PDFs utilized heap spraying techniques against Windows XP's predictable memory allocation. The "PDF Generic" exploits became the most common detection signature for antivirus software during the XP era. adobe reader xp