PDF malware analysis — malicious · f7c7af58b74ef0e5

MALICIOUS

PDF

49.6 KB Created: 2011-05-28 20:17:03 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 7c82debbe1cafe36282710a2dc5ceac6 SHA-1: cba1e4e576cdfb8732a7608f9d1e5901d8710e4d SHA-256: f7c7af58b74ef0e5a3c0ced97544b68e6b698e0bd14e3954eca8f81807379fbb

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 a secondary payload. The document body was not parsable, but the exploit and suspicious URL strongly indicate a malicious intent.

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_off0000081d.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x81D	73272 bytes

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