PDF malware analysis — malicious · aac82d06d4bb0453

MALICIOUS

PDF

607.2 KB Created: 2011-05-17 08:47:31 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: cb6e48456ae72bd0c118dc0f13afcd38 SHA-1: 6fa1a84c7e2434b2fe3357d083ff590ad82aa919 SHA-256: aac82d06d4bb045304b5c0a0f7ffc58d314a79432376883594d449fe7f851971

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that contains a critical heuristic firing for CVE-2008-2551, indicating it attempts to exploit this vulnerability. The embedded URL 'http://artisanballoonz.com/system/system.exe' is likely the location of the second-stage payload. The document body is heavily obfuscated and does not provide further clues.

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_002_off00000903.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x903	73272 bytes

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