Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6e4a4dfb28f378…

MALICIOUS

PDF

45.8 KB Created: 2020-10-15 21:07:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 8c8270de6d855b8974ca0402de187314 SHA-1: 10f8d0a3d4c011b8509c1131aee64c057e730fc7 SHA-256: 2b6e4a4dfb28f378a1bfb897fa8058ba1a9d133d99ff0918129f4c052f03f51d
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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 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.
  • 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/123?keyword=pri%25C3%25A8re+pour+vaincre+la+peur+pdf In PDF document text
    • https://wopeduvolevim.weebly.com/uploads/1/3/0/7/130776212/xalutos.pdfIn PDF document text
    • https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/sodidapesed-levevew-sagus-wokufafavi.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/83905a54a030772.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370785/normal_5f887e2385683.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366376/normal_5f870f36b8848.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365567/normal_5f87d65064fe5.pdfIn PDF document text
    • https://site-1036772.mozfiles.com/files/1036772/jikujukuxogefejesamarola.pdfIn PDF document text
    • https://site-1044016.mozfiles.com/files/1044016/20327395653.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/657884fc-a134-40bf-b2b1-1930f550b60f/47580659107.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce5aba4d-d317-4341-9d68-23ade85d7743/94587492034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6346/6389/files/93463141692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6968/5414/files/kogebupafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7378/1408/files/99802379547.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c29dd9b2-4d31-4581-a60a-2c75de4adc56/94364266316.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74e92b23-9d69-45a6-90da-bf0acd1d3798/pokobonaxupawituwivekab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e41aeec6-9414-438e-8ed0-3633a47f0c0f/38732284584.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3589ef15-06bb-4976-9d6a-3f8dfd3013a4/25111293835.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_off000070e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E6 5172 bytes
SHA-256: aaed91672387a4c9cd8e0300aac98b47e4b00ea07e6d705ef13b771eb4a87ccd
font_01_sfnt_off00008249.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8249 12300 bytes
SHA-256: 0e1ae04aa0c45f095d81f90cf2bbee5bfa44c148721f7443039b4c8a6b6cbdfc

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