PDF malware analysis — malicious · 9601a71044bce5ed

MALICIOUS

PDF

193.1 KB Created: 2011-06-22 16:26:59 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 96c3c8ecaf28b52bd61e9536c6626727 SHA-1: 3495a94c8d546f1596e12788ba3689fbb8175e48 SHA-256: 9601a71044bce5ed367682dbdceaaaec3b204c81329881f5deb2e9b7a94d4776

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a vulnerability to download a payload. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for the secondary malicious executable. The document body was unreadable, but the exploit and URL strongly suggest a downloader 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_off00000595.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x595	73272 bytes

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