Comp. the prophecy against Shebna (Isaiah 22:18). Since we find, in Jeremiah 29:26, Pashur's office occupied by another, it is probable that the prediction was fulfilled by the captivity of Pashur with Jehoiachin.
To whom thou hast prophesied lies (comp. Jeremiah 14:13). Pashur, then, claimed to be a prophet.