PDF malware analysis — malicious · 3974fa135b4f615e

MALICIOUS

PDF

60.6 KB Created: 2011-07-07 23:10:41 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 2337c2406e16d2c945d1f59c4cc5798b SHA-1: e19bb59d25d29a75a749b42e29d80197572033dc SHA-256: 3974fa135b4f615efce0f2b9ab5be6ad60270e0ef41fe89b93cf3e4bd51c0992

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1204.001 User Execution: Malicious Link

The PDF file contains a marker indicating the exploitation of CVE-2008-2551, a known vulnerability for downloading payloads. The embedded URL http://artisanballoonz.com/system/system.exe is likely the secondary payload. The document body is unreadable, but the heuristic firing strongly suggests a drive-by download attack pattern.

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_off0000040f.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x40F	73272 bytes

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