The contents of the file can be seen here:
htxp://jsunpack.jeek.org/dec/go?report=23331efafbed857b3491da899e1ffee0dd25e485
probably only the obfuscation method was detected? …colddata obfuscation implemented…
see:
http://virusscan.jotti.org/nl/scanresult/26e641e02fb2697cc73c3138832dcc8cfd7d4cd6
flagged as trojan: Trojan.JS.Redirector.DN
avast did not flag the file,
here all clean: http://www.garyshood.com/virus/results.php?r=49a3dbe35e9e75d2d17cb8a10a9aa450
here 2 at virscan: http://www.virscan.org/report/16d417eb6d9626a91a3442b446d1ff0c.html
also as Trojan.JS.Redirector.DN
pol