PDF malware analysis — malicious · be2e3b27ce5c68b8

MALICIOUS

PDF

325.3 KB Created: 2011-04-22 21:19:09 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 6ca7c9d8082e8a7279808e9898d40f8f SHA-1: a34984c828375f42d79d96e45d2d1ce57cfca899 SHA-256: be2e3b27ce5c68b8aa41748020934965759bfecf9caadedddf85cbf5dbbeb5f7

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. No document body text was available for analysis, but the heuristic firing 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_off000003c4.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3C4	73272 bytes

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