PhantomJS is capable of downloading binary content from js dependent sites but it is a journey to get it working as it is not an out-of-the-box feature. Instead

PhantomJS is capable of downloading binary content from js dependent sites but it is a journey to get it working as it is not an out-of-the-box feature. Instead use CasperJS to drive Phantom and get a ton of snazzy features including simple binary downloads. Happy scraping!