Malicious PDF — malware analysis report

Static analysis result for SHA-256 091b8b73357cf7cd…

MALICIOUS

PDF

172.4 KB Created: 2016-04-25 00:15:34 +00:00 Authoring application: Microsoft® Word 2016
MD5: cf502b836345ba57417614ab0b3e4342 SHA-1: 0bb0f3e3d5cf1b807d7e41f353e878f4af941720 SHA-256: 091b8b73357cf7cdfc58322297e222f058f2c347437d07ed2cc3e52cb7f46874
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as a malicious PDF by ClamAV (Pdf.Dropper.Agent-7226152-0). It contains an external URI pointing to 'http://pingakshotechnologies.com/vicaaralife/auto/opinionatedview.com/id81/', which is likely the download location for a secondary payload. The presence of a visual download button heuristic further supports the lure mechanism.

Machine Learning

  • Nyx PDF Classifier clean score 0.0134

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7226152-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7226152-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://pingakshotechnologies.com/vicaaralife/auto/opinionatedview.com/id81/
    • http://www.adobe.com/privacy.html
    • http://www.microsoft.com/typography/ctfontshttp://fontfabrik.comYou
    • http://www.microsoft.com/typography/fonts/default.aspx
    • http://crl.microsoft.com/pki/crl/products/MicrosoftTimeStampPCA.crl0X
    • http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
    • http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl0Z
    • http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
    • http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
    • http://www.microsoft.com/pki/certs/MicrosoftRootCert.crt0
    • http://www.microsoft.com/Typography/0

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002a90.bin
5e7ed90ddc501e84b28d2ac4d644c2c9fd1b488b9f2232af8083e68083d55c12		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A90 181396 bytes
stream_003_off0001759e.bin
f3bf9704ae1a1b01d6eaba8c4203245dfddd8957cdd25f52cca46afe823164ba		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1759E 173484 bytes

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