Google drive PDF embed without uploading to Drive first

I am trying out embedding a pdf on a webpage using google drive previewer.

Basically create an iframe with the src set to "http://docs.google.com/gview?url[insert the url of the pdf]&embedded=true"

<iframe src="http://docs.google.com/gview?url=http://79.170.44.209/craigalmondscouts.co.uk/30th/wp-content/uploads/Scout-Programme-Spring-2015.pdf&#038;embedded=true" style="width:560px; height:790px;" frameborder="0"></iframe>
gives us: