There is code added to functions.php to fetch offsite code from the jqueryc domain.
This is the typical scammy crap we are seeing so much right now.
I cleared a load of themes just the other day with a similar infection using the same host domain.
Features
Pin unlimited num of images: pinterest automatic pin plugin can pin from one image to all images in the post directly to your pinterest account
Post featured image as a pin
Scheduled posts support: select images to be pinned and once your scheduled post is published it will be pinned
Automatic Image detection : the plugin auto detect images in your post then list them where you can decide which images should be pinned
Automatic boards detection: the plugin will auto detect boards in your pinterest account sothat you can chose which board you want to pin images to
Automatic link to your post : all pins are directly hyperlinked to your posts so once any pinterest user click on the pin it redirects him to your post on your site
spintax enabled:you can use spintax form for pin text like {awesome|cool|nice} and only one word will be chosen randomly with every single pin
default pin text and pin board : you can set a default pin text or a default pin board where all pins will be pinned so you don’t need to enter text everytime
100% ajax responsive interface
24/7 top notch support via email or PM’s