That's your typical everyday gil-farming bot.
They're basically committing account suicide by hacking, so their goal is to just rake in as much gil as possible from speeding through the MSQ and farming trash mobs in level 50 dungeons before the next ban wave.
Lately, I've started seeing gibberish-named DoH bots in the floor of the various crafting guilds, so I guess they've realized that shard-farming from the initial DoH quests is another exploitable source of income; albeit one that does not have immediate returns as they need to actually sell the stuff on the MB,