What threat alerted here?

See: https://www.virustotal.com/nl/url/f3fa8bae09b8b505d693a18844904d1dbe26a0854641a53e5d71e48afd484d2c/analysis/1433154323/
Re: Outdated Web Server Apache Found Vulnerabilities on Apache 2.2 Apache/2.2.15
JSGuard flags. In the requested webpage at URL
-mnk.pl
Threat has been found:
Threat:: Encoded JavaScript Malware → http://toolbar.netcraft.com/site_report?url=http://mnk.pl
fjs.parentNode.insertBefore(js, fjs); Viewcode?
Potential hack attempt → eval(unescape(‘%64%6f%63%75%6d%65%6e%74%2e%7 etc.
Potentially suspicious files: http://quttera.com/detailed_report/mnk.pl 58 files
Severity: Potentially Suspicious
Reason: Suspicious JavaScript code injection
Details: Procedure [unescape] has been called with a hidden string ‘document.write(’-kpawlowska@mnk dot pl’);’ containing execution of potentially suspicious code

polonus (volunteer website security analyst and website error-hunter)