Only Sophos has this generic detection?

See: https://www.virustotal.com/nl/url/669f14d76cf43a7f1722a67dc75b5e25d4a611d1c34d18ec46daca8aebe33a0d/analysis/1433104902/ cleanmx_generic
index
Severity: Suspicious
Reason: Detected suspicious redirection to external web resources at HTTP level.
Details: Detected HTTP redirection to htxp://www5.buriald.biz/?domain=bobbie-yuhas.biz%26id=239004%26p=. *
File size[byte]: 0
File type: Unknown
Page/File MD5: 00000000000000000000000000000000
Scan duration[sec]: 0.001000

PHP Bindshell and other exploits: http://www.cvedetails.com/vulnerability-list/vendor_id-74/product_id-128/version_id-97802/PHP-PHP-5.3.3.html

polonus