The signature is based on a 2240 byte file, so it is probably something 
embedded in the PDF.

In any case, it needs to be uploaded to <http://www.clamav.net/reports/fp>. Is 
the MD5 of the entire PDF 013167adb9fbc93923f9c0789599ec95, because Steve and I 
aren’t finding anything on VT with any detections with that MD5?

-Al-

On Tue, Sep 27, 2016 at 12:39 AM, David Shrimpton wrote:
> 
> Hi, 
> 
> Win.Trojan.Agent-1696554 added to daily.hdb on 21/9/16 is an
> md5sum of a file containing 2240 null bytes only, so appears
> to be a broken signature. 
> 
> It is causing false positives.
> 
> The example I have was a FP on a 944010 byte pdf which comes up
> negative on virustotal except for clamav.

Attachment: smime.p7s
Description: S/MIME cryptographic signature

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