PDF malware analysis — malicious · acdb4370ba7541b4

MALICIOUS

PDF

486.3 KB Created: 2011-05-17 09:08:32 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 513d3f86ba1b31af6061d7f1c7dbda69 SHA-1: f2a3b14e82ba19e27ab35c6e4cb8348881659788 SHA-256: acdb4370ba7541b43da9d1b8ca21d9ea3d78eafdd01d4793d01517bfd47fa03c

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF file that contains a marker for the CVE-2008-2551 exploit, which is known to download and execute arbitrary code. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely serves as the download location for the secondary payload. The document body was unreadable, but the exploit and the suspicious URL strongly indicate a malicious intent to compromise the user's system.

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_off00000632.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x632	73272 bytes

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