Malicious PDF — malware analysis report

Static analysis result for SHA-256 e357f953c1637a3c…

MALICIOUS

PDF

50.3 KB Authoring application: GIMP
MD5: 9d8b1bb1103fc9b32e67dc28fd4800c9 SHA-1: d847f4d622b56a7e826db18279bdbe1431ab9ef5 SHA-256: e357f953c1637a3cf60bc2f0eca6ada9959dd0c8825a4849535994e3a7adfde0
92 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains multiple embedded URLs that likely lead to further malicious content. The document body, though heavily obfuscated, contains references to URLs, suggesting a phishing or social engineering lure to download additional malicious files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://nightshadejewelry.ca/uploads/1/3/0/6/130621785/6868467.pdf
    • http://nextgenerationatl.org/uploads/1/3/0/6/130604833/9d9e236.pdf
    • http://mobilemultitasking.com/uploads/1/3/0/6/130639808/karos_zejozesed.pdf
    • http://dancinggoatsanctuary.com/uploads/1/3/0/5/130539840/130539840.html#fluid+restriction+in+heart+failure+nice+guidelines

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001028.bin
92916f64c092969c48504ce198176a5c939ba1fb74dd95a9aca07a3bc7422d30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1028 8372 bytes

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