But to those familiar with the stench of dead bodies, it's simply the smell of death. Like all smells, it is hard to describe. But unless you're a real vulture, you'll find the smell disgusting and sickening. Perhaps there is an evolutionary reason for our gut-wrenching reaction to the smell of death.
When the ear canal or middle ear has tumors or polyps, bleeding will often occur. Vascular malformation that happens in the middle ear. Raptured eardrums can cause bleeding. Besides ear infections and trauma, eardrums can rupture due to very loud noise and barotrauma or sudden changes in altitude.
The injury could be just to the ear canal or to the ear drum. Both can cause pain and bleeding. And in both cases the bleeding is not very profuse, and usually will stop spontaneously. The ear canal is covered by skin and like skin anywhere else in the body will heal when it is injured.