PDF malware analysis — malicious · 2c3d70a5782799e6

MALICIOUS

PDF

946.5 KB Created: 2011-06-22 17:14:40 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: f9916f8bb92bcecbc0b36f6d0b94bc39 SHA-1: 4a16d4b58f01ca116e1ba50621b3c8722a885dd7 SHA-256: 2c3d70a5782799e62d24e569f90fd2ea2717efc0479f1486424b0502c56d89c8

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object T1204.002 Malicious File

The PDF file contains a 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 suspicious and likely serves as the download location for the secondary malicious executable. The document body is heavily obfuscated and does not provide further context.

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_003_off0000123d.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x123D	73272 bytes

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