Malicious PDF — malware analysis report

Static analysis result for SHA-256 ede738aa3e1384b4…

MALICIOUS

PDF

57.0 KB Created: 2011-04-27 02:41:11 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: deb8facddfff8f110c4db2d1980750c5 SHA-1: 4d241f6fae61fa0733398c4dc8b32a1ab8c8718d SHA-256: ede738aa3e1384b4995763eb55323e9dd88183ca3b2413db263dc0dc3bf253d6
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a critical heuristic firing for CVE-2008-2551, indicating it exploits a vulnerability to download a payload. The embedded URL, while benign according to reputation, is associated with the exploit. No scripts were extracted, but the exploit itself suggests a downloader functionality.

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.irna.ir/View/FullStory/?NewsId=1201393
    • http://www.irna.ir/View/FullStory/?NewsId=1201495
    • http://www.irna.ir/View/FullStory/?NewsId=1201438
    • http://www.farsnews.com/newstext.php?nn=8904061155
    • http://www.presstv.ir/detail.fa.aspx?id=132487&sectionid=351021501
    • http://www.presstv.ir/detail.fa.aspx?id=132417&sectionid=351021505
    • http://www.presstv.ir/detail.fa.aspx?id=132418&sectionid=351021501
    • http://www.presstv.ir/detail.fa.aspx?id=132388&sectionid=351021508
    • http://www.presstv.ir/detail.fa.aspx?id=132478&sectionid=351021504
    • http://www.presstv.ir/detail.fa.aspx?id=132427&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=132444&sectionid=351021507
    • http://www.irna.ir/View/FullStory/?NewsId=1201600
    • http://www.irna.ir/View/FullStory/?NewsId=1201590
    • http://www.farsnews.com/newstext.php?nn=8904071534
    • 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_004_off00002518.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2518 73272 bytes

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