Potentially suspicious file on blacklisted website

See: https://www.virustotal.com/nl/url/d57460945df5c843e16453ef84c7cd965fd44b459d07b78239e7d8e97972603c/analysis/
See: https://wpvulndb.com/ theme - inthecom theme vulnerable?
IP information: https://www.virustotal.com/nl/ip-address/164.46.147.56/information/
Suspicious on index.html: [[]] *
Potentially Suspicious
Reason: Detected unconditional redirection to external web resource.
Details:
Blacklisted by Quttera’s and Google Safebrowsing: http://www.google.com/safebrowsing/diagnostic?site=artmusic.jp
link to htxp://artmusic.biz/ *
Website may have a SoakSoak compromittal history: http://blog.sucuri.net/2014/12/soaksoak-malware-compromises-100000-wordpress-websites.html

polonus