Looks like it might have something to do with RCU videos. This is from clicking "Advanced" on the Chrome malware warning:
Diagnostic page for rcuvideos.com
What is the current listing status for rcuvideos.com?
Site is listed as suspicious - visiting this web site may harm your computer.What happened when Google visited this site?
Part of this site was listed for suspicious activity 2 time(s) over the past 90 days.
Has this site acted as an intermediary resulting in further distribution of malware?Has this site hosted malware?
Of the 7 pages we tested on the site over the past 90 days, 5 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2014-02-08, and the last time suspicious content was found on this site was on 2014-02-08.Malicious software includes 8 exploit(s). Successful infection resulted in an average of 2 new process(es) on the target machine.
Malicious software is hosted on 5 domain(s), including ads.magnify.net/
3 domain(s) appear to be functioning as intermediaries for distributing malware to visitors of this site, including ads.magnify.net/
This site was hosted on 1 network(s) including AS36483 (GOSSAMERTHREADS)
No, this site has not hosted malicious software over the past 90 days.How did this happen?
In some cases, third parties can add malicious code to legitimate sites, which would cause us to show the warning message.Next steps: