PDF malware analysis — malicious · bd2e767d4817dc55

MALICIOUS

PDF

360.7 KB Created: 2011-05-17 09:09:49 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 584dee1e8b8e046387bfa37e12feb19d SHA-1: f08c3ebdc52b918070f762207a43b09739edb67f SHA-256: bd2e767d4817dc551009874332cf51f11aa692d5f2b012a4ccbd3deaaa30ab8e

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF file that contains a critical heuristic firing for the CVE-2008-2551 DownloaderActiveX exploit. This exploit is designed to download and execute a payload from a remote URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for the second-stage malware. The document body was unreadable, but the exploit and the suspicious URL strongly indicate a malicious download and execution attempt.

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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