PDF malware analysis — malicious · e844863f4621e636

MALICIOUS

PDF

689.5 KB Created: 2011-05-26 13:50:23 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: ab92b7d56c9dae3fb608c1b85cfc930c SHA-1: 3ef9ba7e44be84e1e855ee2c3db896efc293168a SHA-256: e844863f4621e63604e2e32c24cdedfcb0fed36442cd2cc6746e7129e8958724

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious File

The critical heuristic firing for CVE_2008_2551 indicates the PDF is designed to exploit this vulnerability. The embedded URL http://artisanballoonz.com/system/system.exe is likely the source of the secondary payload. The PDF structure and metadata do not provide further clues about the specific family, hence it is classified as unknown.

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_off00000416.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x416	73272 bytes

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