Malingering of post-traumatic stress disorder
Because of the substantial benefits available to individuals with a confirmed PTSD diagnosis, which causes occupational impairment, the distinct possibility of false diagnoses exist, some of which are due to malingering of PTSD. Post-traumatic stress disorder (PTSD) is a mental disorder that may develop after an individual experiences a traumatic event. Malingering of PTSD consists of one feigning the disorder.
Source: Wikipedia — Malingering of post-traumatic stress disorder (CC BY-SA 4.0)