PDF malware analysis — malicious · 443cfe5652e282ab

MALICIOUS

PDF

49.2 KB Created: 2011-07-07 21:25:20 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 323e1bc50f537d43ef55cca36242be20 SHA-1: 53d8a337812bdda8a6bde907a923f14d90a0d917 SHA-256: 443cfe5652e282ab0f621acaa5b29321375a7d45b877d9db1720093a0a5126fb

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE-2008-2551). This exploit is designed to download and execute a payload from a remote URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the second-stage malware. The document body was unreadable, but the exploit and the suspicious URL strongly indicate a malicious download attempt.

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_off0000068d.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x68D	73272 bytes

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