PDF malware analysis — malicious · cd70abeffc1081df

MALICIOUS

PDF

336.1 KB Created: 2011-04-13 10:04:47 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: b8b15d46aece785cf01401d5f3f3482b SHA-1: b62f66bd5db1dbbd230e950200ebed3730d975f5 SHA-256: cd70abeffc1081df2f84a318ddca5b95b122f8c559dfcd0e4b1d29fa37b7d6e9

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object

The PDF contains a critical heuristic firing for CVE_2008_2551, indicating an exploit for the C6 Messenger DownloaderActiveX. This exploit likely targets the embedded URL http://artisanballoonz.com/system/system.exe to download and execute a secondary payload. The document body is heavily obfuscated and does not provide further context.

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_001_off000003d1.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3D1	73272 bytes

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