Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f2280389689deba…

MALICIOUS

PDF

56.7 KB Created: 2011-04-27 02:40:56 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 597d67e839156a8669788a19bcba5e38 SHA-1: 82352a6c62496ecaf9dbbfc40558f568366d2500 SHA-256: 4f2280389689debaab80f37c85ff0e220f7dc26acc2862800fe548986759c437
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a PDF document that exploits the CVE-2008-2551 vulnerability. This exploit is known to download and execute a second-stage payload. While the document body contains several URLs, they are all marked as confirmed benign and do not appear to be directly related to the exploit's payload delivery. No scripts were extracted from this sample.

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=1225289
    • http://www.farsnews.com/newstext.php?nn=8904230102
    • http://www.presstv.ir/detail.fa.aspx?id=134657&sectionid=351021501
    • http://www.farsnews.com/newstext.php?nn=8904230001
    • http://www.farsnews.com/newstext.php?nn=8904230024
    • http://www.presstv.ir/detail.fa.aspx?id=134617&sectionid=351021504
    • http://www.presstv.ir/detail.fa.aspx?id=134625&sectionid=351021509
    • http://www.presstv.ir/detail.fa.aspx?id=134663&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134626&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134605&sectionid=351021506
    • http://www.presstv.ir/detail.fa.aspx?id=134667&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134612&sectionid=351021503
    • http://www.presstv.ir/detail.fa.aspx?id=134582&sectionid=351021507
    • http://www.farsnews.com/newstext.php?nn=8904220149
    • 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_off000023f5.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x23F5 73272 bytes

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