Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa057add585a948d…

MALICIOUS

PDF

53.9 KB Created: 2011-04-22 21:42:19 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: edb00c25b26ab92eebc8bac43a841055 SHA-1: 28b66638455eb70c629ed7abb913eef7a7a11ce8 SHA-256: fa057add585a948d8e1856c11234a18aabaa3356fc6e9bfdad358d8920bf2ee9
64 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains a critical heuristic indicating the CVE-2008-2551 DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload. The embedded URL `http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1` likely points to the exploit code, and `http://artisanballoonz.com/system/system.exe` is a probable location for the downloaded payload. The document body contains numerous benign URLs, which are likely decoys.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.farsnews.com/newstext.php?nn=8902120866
    • http://www.irna.ir/View/FullStory/?NewsId=1092023
    • http://www.farsnews.com/newstext.php?nn=8902121781
    • http://www.farsnews.com/newstext.php?nn=8902121516
    • http://www.farsnews.com/newstext.php?nn=8902130126
    • http://www.farsnews.com/newstext.php?nn=8902130200
    • http://www.presstv.ir/Persian.aspx?id=9626
    • http://www.presstv.ir/Persian.aspx?id=9628
    • http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00001925.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1925 73272 bytes

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