Why conditional redirect not detected here?

Viruses and worms
1

See: http://maldb.com/lienz.st/#
See: https://www.virustotal.com/nl/url/3f8b8af2809c0afca4ef8b6d18f2064c43a5a0ca9160091cd09f2b4d015fdf1e/analysis/1389741171/
See code: http://jsunpack.jeek.org/?report=6f4e89029aa77e72baa5e02f704ef435d5699752
ESET-NOD32 detects this malware as HTML/ScrInject.B.Gen
Others find the site as benign: http://app.webinspector.com/public/reports/19474354
Well this is not exactly helping IP security there: http://sameid.net/ip/217.196.150.201/ (127 sites on one and the same IP address!)
→ Netblock size has size 7 (risk) → http://urlquery.net/report.php?id=8814725
RedKit launched from other domains on same IP!

polonus

2

This detection could well be a false positive because of an older java exploit found, compare → https://java.net/projects/swinglabs/sources/svn/content/trunk/website/web/scripts/moo/prototype.lite.js?rev=340
a stripped version of prototype →
choose source contents = בחר מקור תוכן מהרשימה → http://www.globes.co.il/shared/js/he/main4_home.aspx?encoding=utf-8

My verdict: a benign variation on prototype code,

polonus