PDF malware analysis — malicious · 9483c7c1c4a8e5ab

MALICIOUS

PDF

49.7 KB Created: 2011-06-22 16:56:37 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 2fa44d02e6d948e6b3115a4283b5174f SHA-1: f44ba0b69ae902d394ccab9a3dca8fede1fc3bb9 SHA-256: 9483c7c1c4a8e5ab032e174ec223d14c1cdf66d9b6a85c65928710718eb41fdd

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains a marker indicating the CVE-2008-2551 exploit, which is known to download and execute payloads. 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 exploit targets a vulnerability in older versions of PDF readers.

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_off0000086b.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x86B	73272 bytes

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