Alex,

> Has anyone else seen an increase in PDF invoice spam with just a link
> in it? The centurylink IP is now blacklisted, but obviously it wasn't
> when this was received. The link contained in the PDF has also already
> been disabled, but obviously wasn't when this was received.
>
> I'd really appreciate ideas on how this one should be blocked:

I'd really go the normal way: there is a PDF plugin that extract text
from a PDF and reinject it to SA for normal scrutiny.

I would not add any specific thing to that PDF part and only concentrate
on usual SA rules (if anything new is needed).

Best regards,

Olivier

>
> http://pastebin.com/g7dJ7SHu
>
> There's very little text in the body, so I suspect that's why bayes is
> confused. PDF invoices and conversations involving "payment" and
> "invoice" are not all that uncommon.
>
> Thanks,
> Alex
>

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