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Good, those are all positives for an attic.
Last big "gotcha" is the presence of either a metal roof or radiant barrier under the roof. Either are killers for an attic location.
Assuming those are not present, you'll need a competent UHF plus high VHF antenna. Note: WTVF operates VHF channel 5 as a translator for their channel 25 primary signal. There is no need to chase the channel 5 signal with a low VHF antenna if adequate reception is obtained of the channel 25 source.
Because of the 2-edge signal path for all of your major stations, you may well find that the signals will be either scattered or layered vertically once they get into your attic, assuming they do, that is. That frequently means that patience is required in siting the antenna as you may well have to try multiple spots within the attic to see if you can find one where everything falls into place and they play nice together. Usually, either a 4 or 8 bay UHF antenna tends to work well in those situations for your UHF channels. Many UHF antennas will also pick up stronger high-VHF channels but it's a pot luck situation most of the time. You could, for example, try an antenna like our DB4e or DB8/e (either) and see if channels 8 & 10 come along for the ride. If not, our VHF module will likely do okay. It has the added advantage of being mounted elsewhere should that need arise for the VHF reception.
I'd run the antenna feed to your distribution point using the shortest available path/cable, then install a four port distribution amplifier to send the signal out to the individual outlets and TV sets. If that cable run exceeds 50', I'd probably fall back to using a preamp at the antenna and a passive splitter instead of the distribution amp.
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