PDF malware analysis — malicious · 1bd81470d6e06283

MALICIOUS

PDF

419.0 KB Created: 2011-05-17 08:55:29 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: a3ea874a3fe6cf47bee91a04dc832787 SHA-1: 7ba1b886cb0072ecb387e72f17721129754e4871 SHA-256: 1bd81470d6e062839bbafb5225675960ab4c2a063fe28bd40d6f6c87cfa1b56e

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE-2008-2551), indicating it's designed to download and execute a payload. The embedded URL http://artisanballoonz.com/system/system.exe is likely the source of this payload. The document body was unreadable, but the exploit and the download URL strongly suggest a malicious intent to compromise the user's system.

Heuristics 2

C6 Messenger DownloaderActiveX exploit critical CVE exact CVE_2008_2551

PDF stream bytes contain HTML/ActiveX content configuring the vulnerable C6 Messenger DownloaderActiveX control with propDownloadUrl and propPostDownloadAction=run. This is the published exploit shape for CVE-2008-2551.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://artisanballoonz.com/system/system.exe
- http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off000006e5.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x6E5	73272 bytes

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