You should be able to beat this monster. Have you killed all other undead on the other floors of the catacombs? Or have you done some quests in Aleroth? If not: do so. You level up quickly at this point in the game. It sounds to me like you're just not strong enough yet.
I suggest you look
here for some tips that make the life of a new adventurer in Aleroth a lot easier!
Hang in there and welcome to the forum <img src="/ubbthreads/images/graemlins/wave.gif" alt="" />
