Malicious PDF — malware analysis report

Static analysis result for SHA-256 af287750ee87f4de…

MALICIOUS

PDF

46.7 KB Created: 2020-11-02 01:59:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 7869ac154476f76ce49c7bfe997bce9d SHA-1: 85bf47b1b68e625bb1ef84c645cb35788b0a3a41 SHA-256: af287750ee87f4de8e3edff512652274c21432457c0a451a3ba5dbb93ab99fca
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/wb?keyword=psicosis%20que%20es In PDF document text
    • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/rurubewe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401545/normal_5f93e823f04f0.pdfIn PDF document text
    • https://naxesitigas.weebly.com/uploads/1/3/0/7/130740165/6636416.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373261/normal_5f9d52aa69341.pdfIn PDF document text
    • https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/tikaguxozo.pdfIn PDF document text
    • https://wekegakusujesal.weebly.com/uploads/1/3/4/2/134266445/6170754.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374522/normal_5f91fc6a897a4.pdfIn PDF document text
    • https://garagagu.weebly.com/uploads/1/3/4/3/134364865/vofixejabad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366973/normal_5f996e661a084.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1564/3031/files/gabadumorudot.pdfIn PDF document text
    • https://s3.amazonaws.com/tujeviwakirawu/electronic_signature_adobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/2118/8251/files/brawl_stars_mod_apk_updated.pdfIn PDF document text
    • https://s3.amazonaws.com/fapaga/nojigibajijevodisoxo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69C4 4280 bytes
SHA-256: 8c123b13c96ed4806028df9537974a26b786c9334ef0005f9c64fd490f5cf3fa
font_01_sfnt_off00007851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7851 12152 bytes
SHA-256: 831da832ecee972deed8de9a298c4feee36894894d5b4aafff7009869a2824b3
font_02_sfnt_off0000a066.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA066 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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