Malfeasance appears to have some indication of a Legal definition of Intentional conduct that is wrongful or unlawful, especially by officials or public employees. Malfeasance is at a higher level of wrongdoing than
So a "Server Malfeasance Evidence" is Evidence of a server performing Malfeasance (or wrongdoing especially if it is a Government Entity server) which seems like, in all cases LDAPWiki can think of within Information Technology, Malicious which implies that the person behind the server must be an Attacker