pseudepigraph
/s(j)uːdˈɛpɪɡrɑːf/ /s(j)uːdˈɛpɪɡraf/noun
A book or writing that is falsely titled or attributed; a spurious or pseudonymous writing.
Origin
Mid 19th century; earliest use found in The North American Review. From pseudo- + epigraph, after pseudepigrapha.