WP help needed to repair "pharma" virus attack for WP site.

The WordPress site that was hacked  is www.avmsingers.org

We assume it was a pharma hack, but cannot find the lingering elements of the hack, after having removed the malicious code from wp-config.php (hacked insertion that was removed is attached)

The client's Google search results was the initial alarm for this situation

The offending Redirect to pharma/spam sites cannot be found with Wordfence or other scans, see:

http://www.avmsingers.org/robaxin/robaxin-without-a-prescription-in-united-states/

The wp-options table in the db seems fine.

Can anyone Help with finding the appropriate source of the virus within the site that we need to edit out?
(or what next steps to help debug removal of this hack)

Thanks in advance!
hack-code.txt
willsherwoodAsked:
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Jason C. LevineNo oneCommented:
Check the wp-posts table for inserted content?

For the rest of it, please see this article:

http://www.experts-exchange.com/articles/10806/Detecting-Recovering-From-and-Preventing-WordPress-Site-Hacks.html
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willsherwoodAuthor Commented:
perfect, many thanks!
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