Jesus IS the "Lion of the tribe of Judah" which is clearly a type--a type of GREAT HONOR. However, He was from Nazareth of Galilee, as we see in Luke 2:3-4, together with Luke 2:39:
And all went to be taxed, every one into his own city. And Joseph also went up from Galilee, out of the city of Nazareth, into Judaea, unto the city of David, which is called Bethlehem; (because he was of the house and lineage of David:)
And when they had performed all things according to the law of the Lord, they returned into Galilee, to their own city Nazareth. And the child grew, and waxed strong in spirit, filled with wisdom: and the grace of God was upon him.
At the time of these original twelve, including Judas Iscariot, Jews were not EXCLUSIVELY arranged in tidy groups by their location. Indeed, you have to account for brothers, Simon--called Peter--, and Andrew, as well as brothers James and John.
Mat 10:2: Now the names of the twelve apostles are these; The first, Simon, who is called Peter, and Andrew his brother; James the son of Zebedee, and John his brother;
Can we determine that each brother of these sets of brothers is not of the same tribe? Certainly not without EXPRESS DESCRIPTIONS differentiating their parentage. Without such express language, we must assume that each set of brothers has the same heritage. Can we assume that all the disciples/apostles were of the tribe of Benjamin just because they were from the region that many Benjamites came from? Hardly, Jesus is a great example of that.
Paul, of Tarsis, was admittedly from the tribe of Benjamin, according to Phil. 3:4-5:
Though I might also have confidence in the flesh. If any other man thinketh that he hath whereof he might trust in the flesh, I more: Circumcised the eighth day, of the stock of Israel, of the tribe of Benjamin, an Hebrew of the Hebrews; as touching the law, a Pharisee;
MOST IMPORTANTLY, types cannot be set without EXPRESS FOUNDATIONS for the type. Iscariot (iskarioth), from Hebrew origin, points toward "a man" (H376) who is similar through the idea of seeming (in type, perhaps), in amount and kind of a "bad (H1749) nature. That gives the probability of Judas Iskeriot being an "antitype" of Christ.
These EXPRESS representations are located at:
Entire Psalm 109, together with Acts 1:15-20; John 6:64, 70 and 71, and Revelation 16:13-14; The prince of this world to be cast out--John 12:27-31, together with John 13:21-30 and THEREFORE John 13:31-32; Now, the prince of this world is going to be coming to a certain place--John 14:29-31; Finally, that place and that prince of this world is EXPRESSLY revealed--John 18:1-3
There is no basis to view Judas as a scoundrel type of an unsubstantiated scoundrel tribe of Judah. There is much EXPRESSLY STATED basis to view Judas as an opposite and a contrasting antitype of Christ, the Lion of the tribe of Judah.