PDF malware analysis — malicious · 1cac3b8dcc48f72a

MALICIOUS

PDF

49.9 KB Created: 2011-05-17 08:49:49 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 37f5e937d8c6c718a77e184756633735 SHA-1: 785dd65e2d225f07e691b3e8ec3d8f12a5a9e8ae SHA-256: 1cac3b8dcc48f72a1a6fcd599be8ed9a15cc6491dc4c89068ddb355309ed0b6d

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that contains a critical heuristic firing for CVE_2008_2551, indicating exploitation of a vulnerability. This exploit is designed to download and execute a secondary payload from a specified URL. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely hosts the malicious payload.

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_off00000956.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x956	73272 bytes

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