Malicious PDF — malware analysis report

Static analysis result for SHA-256 20b50db27da6d788…

MALICIOUS

PDF

42.7 KB Authoring application: Karbon First seen: 2021-01-11
MD5: 0d3b4d50d9acaa0f38f2d3b999e23794 SHA-1: 7847a7cded2af2c1b5bd73166343a33d3c0da1be SHA-256: 20b50db27da6d788e8756876e135f8c0d0a43cddb82909dca32231a1115ac2bb
152 Risk Score

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://jacobsa.com/uploads/1/3/0/4/130488417/jevexexerofidag.pdf In PDF document text
    • http://trinitydelights.com/uploads/1/3/0/4/130477605/a4ce0.pdfIn PDF document text
    • http://mojonz.co.nz/uploads/1/3/0/5/130541445/617544.pdfIn PDF document text
    • http://reelectmayorjohnstontville.com/uploads/1/3/0/6/130640111/vawojavi.pdfIn PDF document text
    • http://calgaryordinariate.weebly.com/uploads/1/3/0/5/130545932/0ad66.pdfIn PDF document text
    • http://carrotmeetscookie.com/uploads/1/3/0/6/130620662/70562aabca300.pdfIn PDF document text
    • http://adwords-about.com/uploads/2020/01/28/jazanonulaferuda.pdfIn PDF document text
    • http://texipofoj.manvs.ru/uploads/2020/01/28/83f0fbb6e.pdfIn PDF document text
    • http://bradleygorman.com/uploads/1/3/0/5/130588729/130588729.html#environment+vocabulary+matching+exercises+pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D6 8416 bytes
SHA-256: c1a403bfc63a97055d843e17afffd434031e520cd2faf1b435328135825910d1
font_01_sfnt_off0000602d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602D 16204 bytes
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d

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