This indicates an attack attempt against a Memory Corruption vulnerability in Adobe Photoshop.
The vulnerability is caused by an error when the vulnerable software handles a crafted PDF file. A remote attacker may be able to exploit this to execute arbitrary code within the context of the user, via a crafted PDF file.
Photoshop CC 2019 20.0.8 and earlier
Photoshop 2020 21.1 and earlier
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the latest update from the vendor.