With our recent spate of spam, a few reminders on how best to deal with it:
First and foremost, please flag as spam. That's the first option when you open up the spam dialog, and that will delete the post once six spam flags are reached. This means that spam can be dealt even when moderators are not online.
While there is no prohibition against closing spam as off-topic, it's not really necessary, so to speak, since the post should be disposed of through flagging.
There is no need to edit the spam. Stack Exchange has an algorithm that automatically learns which posts are flagged as spam and tries to block those, and editing the spam can decrease the efficacy of the filter.
If you see it in the review queue, again, please flag. Do not click "No Action Needed" or "Leave Open".