[edu_guitar]

Given how the names were generated, it seems the bad actor might actually want to be caught. Maybe it was trying to get the committee to disqualify a title. Since it doesn't make sense financially, as a sibling comments points out, so personal grudge might be the motivation. But I guess we'll never know.

[microtherion]

That's an interesting theory. At least one of the nominees is known to be on hostile terms with a group with a past record of trying to interfere with the Hugos.