PDF malware analysis — malicious · 0b92548665ca4f2d

MALICIOUS

PDF

379.6 KB Created: 2011-05-26 15:25:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: d76370844a51d1a5665c60a94656a67c SHA-1: 6c28fca024ae2ead88ec32b6a94032258729c3a2 SHA-256: 0b92548665ca4f2d2ee6f3440759f229f963a6b0fb2e0d2f810322697e5a74fa

92 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The file is a PDF that contains an embedded exploit for CVE-2008-2551, targeting the Messenger ActiveX control. This exploit is designed to download and execute a secondary payload from the URL http://artisanballoonz.com/system/system.exe. The presence of the exploit and the malicious URL strongly indicate a malicious intent to compromise the user's system.

Machine Learning

Nyx PDF Classifier malicious score 0.9673

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_off000003bd.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3BD	73272 bytes

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