Apparently, enderman appear to be hurt by unknown causes. This occurs at night, and the enderman aren't anywhere near water. This bug has not been tested multiple times, and may just be a false bug. It occurs on infinite worlds, on survival. This bug has not been tested on other game modes.
MCPE-7404
Unusual Enderman glitch (2)
Resolved
Cannot Reproduce
0
We're closing all issues only related to 0.6, 0.7 or snapshots of any version.
If you think that this issues applies to MCPE 0.9.5 or later, please comment here!