PDF malware analysis — malicious · 28fc7d0a314fb9a4

MALICIOUS

PDF

212.7 KB Created: 2011-06-22 18:04:04 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: ef3e69ba4ca0f403b6a5d9d8f5c6a844 SHA-1: 3dedb9ae81d1e757b8684887fc3c895f0b34eba0 SHA-256: 28fc7d0a314fb9a4f58e0d7eec3b4c69af360c07f09720e70d3562651d1033de

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for the CVE-2008-2551 exploit, which targets an ActiveX vulnerability. This exploit is designed to download and execute a payload from a specified URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the second-stage payload. The document body is heavily obfuscated and does not provide direct clues to the user-facing lure.

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_off000003e7.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3E7	73272 bytes

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