I'm posting this here because the Ask SE forum looks dead and this includes an AdSense ad unit in SERPs.
A 6 word term started getting a rush of traffic from Ask with a terrible bounce rate and on page time. The term could be 7 word term if you look at it like this:
Views were half US (US targeted site) and half China/India. One pageview each, 11 second average time on page. None of the traffic was from San Jose or California.
Looking in that site's access log shows the referral URL is a unique and equally obscure sub.sub.domain on Ask that partly contained this string
The URL is what appears to be a Google brand SERP for the term above in every detail but with a few differences. The most obvious thing is that our result has a thick, dashed red border around it and an ad unit for Ask in the right skyscraper has a thick, solid red border around it. Our result is #6 and their ad unit is in the top position on both the Ask domain and Google.
Other noticeable differences are that you cannot go anywhere clicking any G network links or the search submit button and the source code of the mock-up is much cleaner and easy on the eyes than the real G.
Is this perhaps the results of a company they use to check for paid ad results for terms and the traffic is testing that consistency?