Malicious PDF — malware analysis report

Static analysis result for SHA-256 68152ca327301a7f…

MALICIOUS

PDF

72.9 KB Created: 2021-02-07 21:22:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 8f1542b626a9e9e0b8a74e92ca04693d SHA-1: 596ee05d4d0acf757a68d015f0efab3a80ae2236 SHA-256: 68152ca327301a7fd32b76411b895eb43d8c043e2836f38fea1c34254de79d38
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://jottigo.ru/wb?keyword=aplikasi%20android%20untuk%20membuat%20logo%20online%20shop PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4418556/normal_6011a1ae826f1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455406/normal_5ffe9b199656c.pdfIn PDF document text
    • https://jopuwijexanubuf.weebly.com/uploads/1/3/0/8/130874501/3282141.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374951/normal_5fdb6f9f4807b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421624/normal_601b42801783e.pdfIn PDF document text
    • https://cdn.sqhk.co/foseziwate/hiSjggc/airport_companion_app.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480423/normal_600bef0ac546d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366321/normal_600b39d44ea61.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393625/normal_601244530fefa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451574/normal_60190d234f840.pdfIn PDF document text
    • https://losebevaxefot.weebly.com/uploads/1/3/5/3/135347065/6902393.pdfIn PDF document text
    • https://dibotora.weebly.com/uploads/1/3/4/8/134870334/goburupik-xojibebure.pdfIn PDF document text
    • https://geperibikabagop.weebly.com/uploads/1/3/1/4/131409385/7193574.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415519/normal_5fcc50bf8005c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wixatax/39173879933.pdfIn PDF document text
    • https://s3.amazonaws.com/niwotipugonuvoz/2008876787.pdfIn PDF document text
    • https://s3.amazonaws.com/vokeri/school_uniforms_uk_law.pdfIn PDF document text
    • https://s3.amazonaws.com/zugutixe/36655701226.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF87 5564 bytes
SHA-256: e8a5f36bd2b30527baad1ed1c63f28dd242b938e062db90c950d050ed4e8f809
font_01_sfnt_off0000f23c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF23C 10612 bytes
SHA-256: f03eb660b104b76aaaae6b16ec16048e351086bc2f3f64179fba0657b65ad943