PDF malware analysis — malicious · adafe8d96913f364

MALICIOUS

PDF

267.0 KB Created: 2011-06-22 18:35:18 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 20d122ca483cafb5a1c5bca63aae29a0 SHA-1: 38179ae22e7cfd646afbf883ba7a972d1ee38ced SHA-256: adafe8d96913f36463d76274aacba08af84b98faaa50ff6208ef4a8a7c43a969

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link

The critical heuristic firing indicates the presence of the C6 Messenger DownloaderActiveX exploit (CVE-2008-2551). This exploit is designed to download and execute arbitrary code from a remote URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for the malicious payload. The document body was unreadable, but the exploit and the suspicious 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_off000003cd.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3CD	73272 bytes

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