There is an abnormal annotation within the PDF that is referenced by other objects. When the application parses the PDF, it fails to perform proper type checking, ultimately causing the application to crash.
Exploitability
AV:LAC:LPR:NUI:RScope
S:UImpact
C:HI:HA:H7.8/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HOther