See: http://www.virustotal.com/url-scan/report.html?id=359dbc5f092f9c6b8466b62c25913468-1325019216
and see:
http://www.virustotal.com/file-scan/report.html?id=970dd9acd999865b9a0cfab386efa182694da73c0052cd41e4fcaa0642fba520-1325022918
avast detects as JS:Pdfka-gen [Expl]
Be warned, site has very bad web rep: http://www.webutation.net/go/review/79.137.226.93
and website av warning for this site,
polonus