Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd44d15ee300b1ba…

MALICIOUS

PDF

49.0 KB Authoring application: Inkscape
MD5: 9729f90f62e176cf1ab3376135158c31 SHA-1: 5cef35527c5972fee56a6e2312faa4cdd600ae74 SHA-256: fd44d15ee300b1ba39e2899da746b1190ff2f68414b8dac6c0b34f3e61623e30
92 Risk Score

Malware Insights

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

The ClamAV detection and ML classifier strongly indicate maliciousness. The PDF contains multiple embedded URLs pointing to external PDF files, suggesting a phishing or social engineering lure. The document body, though heavily obfuscated, also contains these URLs, reinforcing the attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://northwalestimberframes.com/uploads/1/3/0/4/130477048/rumis.pdf
    • http://agavepress.com/uploads/1/3/0/3/130379575/3483164.pdf
    • http://designdancestudio.com/uploads/1/3/0/5/130550940/5cfc56569.pdf
    • http://natgastrucks.com/uploads/1/3/0/6/130620380/jozodumodus-susesufomigawi-bixejaxododeg-vivinivobepam.pdf
    • http://northwestuu.com/uploads/1/3/0/6/130604780/130604780.html#oxford+collocations+dictionary+for+students+of+english+%D0%BA%D1%83%D0%BF%D0%B8%D1%82%D1%8C

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013a7.bin
7dc6947ef653e43d5763fc7580c694bf585b4755f11f0530d2d2390c7f6abc9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A7 8768 bytes
font_01_sfnt_off00007df8.bin
ff97ac7fb0fb466750a547ca8cd8d54838ac36fa47de3b348a817ae5a4f32e17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DF8 5228 bytes

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