PDF malware analysis — malicious · d74b2e31099dd48a

MALICIOUS

PDF

172.7 KB Created: 2011-07-07 20:59:07 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 230ba8aed9775e6800a38e08b67e6434 SHA-1: 8f7a5385a15cf1c70e0e08b24910181611a54963 SHA-256: d74b2e31099dd48aea48dd923d43acb301c33aae6ba5a54611f1ddc5efaf8acb

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for the CVE-2008-2551 exploit, which is known to download and execute payloads. The embedded URL points to a system.exe file, strongly suggesting a downloader or dropper functionality. The document body was unreadable, but the exploit and URL are sufficient indicators of malicious intent.

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_off000003df.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3DF	73272 bytes

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