Why riskware downloader not detected?

See: https://www.virustotal.com/nl/url/c76c545359f78c15bac193b8e3542b076524df6eb3dd1f9093a731f3b7fb7149/analysis/1412371016/
the file detection: https://www.virustotal.com/nl/file/ba61c0e541056c4d28145e18abf56dbf1ee0fff905fccee5d3cc28edb763a68e/analysis/1411496957/
Quttera and Yandex blacklisted site: http://yandex.com/infected?l10n=en&url=103.7.29.211
See files captured: http://urlquery.net/report.php?id=1412366832714
See: http://www.herdprotect.com/qmdtlsdksetup_20140804.exe-2f0d6e687ca9b72313575167243b2ae7c315b0c9.aspx

IP badness history: https://www.virustotal.com/nl/ip-address/103.7.29.211/information/

polonus