PDF malware analysis — malicious · 87bc8c8a40fb54b9

MALICIOUS

PDF

310.4 KB Created: 2011-07-07 22:39:47 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 354c4a7b1c606affdd117319f9568104 SHA-1: c7dbb03e1520b488e399d4cc748a3f0a0fbb1bf1 SHA-256: 87bc8c8a40fb54b969472f203750dd098b0f10b9c3dd1b79e6cf66d2ee523716

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for the Messenger ActiveX control. This exploit is designed to download and execute a payload. An embedded URL points to 'http://artisanballoonz.com/system/system.exe', which is likely the malicious payload. The other embedded URL was confirmed benign.

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_off0000040f.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x40F	73272 bytes

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