PDF malware analysis — malicious · 8bc8e56de29384ef

MALICIOUS

PDF

360.7 KB Created: 2011-06-22 16:28:09 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 4f9174de69ac66bbc93de49ae13bf4ea SHA-1: 3aeb1da77c52a99dfdf58488b81bd95b813a2a23 SHA-256: 8bc8e56de29384ef7988aaddb83f5a051814178683c2a0537bce1155a530235b

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for the C6 Messenger DownloaderActiveX exploit, indicating it is designed to download and execute a secondary payload. The embedded URL 'http://artisanballoonz.com/system/system.exe' is flagged as unknown reputation and is likely the location of this payload. 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_002_off000019ca.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x19CA	73272 bytes

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