PDF malware analysis — malicious · d78b02ca7d5eb46f

MALICIOUS

PDF

624.0 KB Created: 2011-04-27 02:57:55 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 8a29137df5e613bc6630d6d8085e0820 SHA-1: 331344bf14fde88e1f2ddfa7345e121a0c35f512 SHA-256: d78b02ca7d5eb46f1f8e947ae245ce4f174f010934944b692d7b937bf16f03a6

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object

The sample is a PDF document that contains a critical heuristic firing for CVE-2008-2551, which is an exploit for the C6 Messenger DownloaderActiveX. This exploit likely facilitates the download of a secondary payload from the embedded URL http://artisanballoonz.com/system/system.exe. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

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_off00000869.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x869	73272 bytes

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