Malicious PDF — malware analysis report

Static analysis result for SHA-256 e819faad8d83df05…

MALICIOUS

PDF

36.3 KB Created: 2015-10-30 16:11:54 +03:00 Authoring application: Softplicity
MD5: ad40c678141b58f5086fa8e322fdde0f SHA-1: ade69a56ce60540fc525c064c1f6f1053ebf63a6 SHA-256: e819faad8d83df05c4994fa71cbc6f48150599bf5226fdef9668e5fc8c3540c9
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The file is a PDF document that contains an embedded URL pointing to a suspicious domain. Heuristics indicate it is a PDF dropper, and the ClamAV detection name 'Pdf.Dropper.Agent-7683184-0' further supports this. The document body, though heavily obfuscated, appears to be related to a 'Dirt Devil Vision User Manual', suggesting a lure to disguise the malicious intent of directing the user to the external URL.

Machine Learning

  • Nyx PDF Classifier clean score 0.0564

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7683184-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7683184-0
  • 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://www2.abcsearch.ru/word.php?q=Dirt
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000249b.bin
d4cdde2fbcba88c99044cbe5035df635e4a04a120f8e09edf9ca2bb4080ea921		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x249B 20132 bytes
font_01_sfnt_off00005acb.bin
dd067bc04258b469754b88a1e907ff9b559f829a7a1544ebf8849ee09306f499		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ACB 17652 bytes

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