Malicious PDF — malware analysis report

Static analysis result for SHA-256 478b41aaad594d14…

MALICIOUS

PDF

68.2 KB Created: 2020-12-20 19:57:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 08e36873e4ff54fdd0330bd7e4a82a36 SHA-1: 981f553444ad515f3b93a9b85dd0a8345fa677d7 SHA-256: 478b41aaad594d142caf7f6acb69ed32c3c607dd9546b6216526d74759efe18a
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://trafficel.ru/wb?keyword=descargar%20spider%20hunter%20amazing%20city%203d PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4389606/normal_5fa49d267bafe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379842/normal_5fd5fb2a8652d.pdfIn PDF document text
    • https://melozepopi.weebly.com/uploads/1/3/0/7/130775643/3acf696.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448984/normal_5fcf0c220ca44.pdfIn PDF document text
    • https://niboxevukok.weebly.com/uploads/1/3/4/6/134649508/pokasiga.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383128/normal_5fcf865b7e75c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476443/normal_5fcb719c997ec.pdfIn PDF document text
    • https://vepaxanejabag.weebly.com/uploads/1/3/4/3/134317352/bidutulafavomax_ralovoj_vumud_bowetoxamik.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5060e42a-58ba-4cba-b96b-90f56606e649/chicago_tipped_minimum_wage_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/fufaragebo/falcon_crest_cast_characters.pdfIn PDF document text
    • https://s3.amazonaws.com/tibanepoxilibud/greek_lexicon_app.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e155104edf1d7780ac3e/t/5fc3d6d33c6ccf69f3d41e1e/1606670035792/zazefe.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e88b8139af0376454bd0/t/5fc14365e18c5c478e2a8a55/1606501221758/pokemon_sun_and_moon_red_orb.pdfIn PDF document text
    • https://s3.amazonaws.com/dowesitobuga/91519647324.pdfIn PDF document text
    • https://s3.amazonaws.com/bakoloj/puros.pdfIn PDF document text
    • https://s3.amazonaws.com/legesiliv/league_1_form_guide.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_off0000cbeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBEB 5772 bytes
SHA-256: 84d7ca0e9310037e41f90599308d3c83f5ec23f23a1db841b5e26b6f84ced4e3
font_01_sfnt_off0000df85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF85 10616 bytes
SHA-256: e743ecda4db5f33d342a8c38333c43752b937afc96b9e3fbd8071f50bfb35876

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