Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3eb424f2543ad7a…

MALICIOUS

PDF

36.7 KB Authoring application: Solid Converter PDF
MD5: a44ca349010fdb0809be5ddca4beef1a SHA-1: 2eda40ccb3dcf8656881cb7a9320093656f6f236 SHA-256: c3eb424f2543ad7ae1e72370207b9cc10f952e8c58aa30423e737af586ce4139
92 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ClamAV and a machine learning classifier. It contains multiple embedded URLs pointing to PDF files, suggesting a phishing or malware distribution lure. The document body, though heavily obfuscated, references a 'Comptia it fundamentals study guide pdf free', indicating a social engineering pretext to trick the user into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bezapa.bikerpublic.com/uploads/2020/01/28/vunamalux.pdf
    • http://nolabeke.tvmiyouka.com/uploads/2020/01/29/vewojigoferuzot.pdf
    • http://xotexulal.qw251789.ru/uploads/2020/01/28/6595016.pdf
    • http://cakeinaboxco.com/uploads/1/3/0/4/130476984/tedudexufak_batazapuvew_limilajepimo.pdf
    • http://saltcityvolleyball.com/uploads/1/3/0/6/130621141/130621141.html#comptia+it+fundamentals+study+guide+pdf+free

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001094.bin
acfb6ff104dad2469ccef357a436b9d686993196342023532bb830fb0e418c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1094 9112 bytes

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