Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6a3e8dce173b8b…

MALICIOUS

PDF

41.9 KB Created: 2020-10-26 22:50:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: d81dcde57ca89003231129d6fd61a39f SHA-1: 6e7a231e101c5605c9035c5f08c045546a417c3c SHA-256: 2b6a3e8dce173b8b4b3eb68767b6e5fb9530fe1a605c3d0f580a6888f2f97393
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/123?keyword=cambridge+soundworks+ensemble+iii+manual In PDF document text
    • https://refanoripusegu.weebly.com/uploads/1/3/4/3/134306014/kokapos_todekijodop_rezawamavotagax.pdfIn PDF document text
    • https://xukolewijox.weebly.com/uploads/1/3/4/3/134320036/vizikaxokediguk-kajivakowoxu.pdfIn PDF document text
    • https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/kizovegok.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368742/normal_5f8e40f397e46.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382413/normal_5f91310fe2854.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384484/normal_5f8e44799b105.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371023/normal_5f8d2949d2f8b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390323/normal_5f92d5729f5cf.pdfIn PDF document text
    • https://pituluwo.weebly.com/uploads/1/3/1/4/131437949/0aec8c20a.pdfIn PDF document text
    • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/rotagogef.pdfIn PDF document text
    • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/diposex_nabux_xovekan.pdfIn PDF document text
    • https://tebamebameden.weebly.com/uploads/1/3/3/9/133997375/geweg-gisovuderop-gixoko.pdfIn PDF document text
    • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/289489263d16477.pdfIn PDF document text
    • https://lafetewefovizav.weebly.com/uploads/1/3/4/3/134385578/4134561.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/9591bc66-869c-468e-b086-c5e875dfe7c7/10540324741.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1b2f0296-a362-4ae9-bb32-beafd127ea59/butoza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76e3fbb3-f666-493f-bf69-6a711e77e58a/32853358089.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fe4239da-9d8c-43d5-b252-c7b8f1de1eee/bezigiw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf072d6c-2cfb-4aa2-b7c6-e25e9808f92e/how_apollo_flew_to_the_moon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13583a70-8bce-43cf-adbc-5dc05285cd3a/60914322439.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_off00005ecd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5ECD 5344 bytes
SHA-256: e01b26876da14d553a71508f0d068dab59e49fc9d1d35dabfcd29d9d2ea18810
font_01_sfnt_off000070f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70F8 12416 bytes
SHA-256: ca054886145f71dc88f64ea3b57d0b515de4bbcd5b96ddf112b35d8bb3755dd9

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