PDF malware analysis — malicious · 7089385ca970c129

MALICIOUS

PDF

49.7 KB Created: 2011-04-27 03:13:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 501aa97da1658ee087fb490a3f093c13 SHA-1: 0f12570717f2980ab05ae13794bd10845ff3e0f0 SHA-256: 7089385ca970c1296a5dcc83b8add07913909b6e44a203d1b2e559eae3e48ef9

62 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF contains a marker indicating an exploit for CVE-2008-2551, which is known to download and execute arbitrary code. The embedded URL points to a potential executable, suggesting the document's purpose is to deliver a second-stage payload. The heuristic firings and the presence of a downloadable executable strongly indicate exploitation for client execution.

Machine Learning

Nyx PDF Classifier suspicious score 0.2812

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_off0000086b.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x86B	73272 bytes

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