Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d7761f9c63681f1…

MALICIOUS

PDF

55.1 KB Authoring application: Poppler-utils First seen: 2021-01-11
MD5: 0bbbeda89bd190a122222bd025b67bb5 SHA-1: 2b0f581b608b8e043d9f53cb5a7f30186ddc4b79 SHA-256: 1d7761f9c63681f1e9333bbcc6dee2a8824719337bf94742d8ac70bf18d2d7fc
152 Risk Score

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
  • 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://nytsattui.com/uploads/1/3/0/5/130550675/225eff.pdf In PDF document text
    • http://mybrokersells.net/uploads/1/3/0/5/130588872/0dcc7d62d4216.pdfIn PDF document text
    • http://cashsolution4homes.com/uploads/1/3/0/6/130604336/bowobosisurene.pdfIn PDF document text
    • http://morningteawithmarybrown.com/uploads/1/3/0/6/130621989/74c277fcac9.pdfIn PDF document text
    • http://vyhrajto.com/uploads/2020/01/27/3c807d42d.pdfIn PDF document text
    • http://msaimports.com/uploads/1/3/0/3/130313135/filinobovisixe.pdfIn PDF document text
    • https://sekubuliluvefaf.weebly.com/uploads/1/3/0/3/130379147/sozim.pdfIn PDF document text
    • http://soildsurfacewarehouse.com/uploads/1/3/0/6/130620168/130620168.html#prokaryotic+cell+perform+protein+synthesisIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C8 7748 bytes
SHA-256: e3543283fe591a6ccaa939668425202ca783ff80960795d72868af61116ae6c4
font_01_sfnt_off00009c80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C80 2864 bytes
SHA-256: 6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e

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