Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e44fe3a3b98dd3…

MALICIOUS

PDF

44.4 KB Created: 2020-10-17 11:56:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: c95e0042cc9d30087a70b8ff2282c7f8 SHA-1: 4213e22bfdf7be13cf050bb698e6db24cecb4885 SHA-256: d3e44fe3a3b98dd3fd88b33430e291b85321820dcb6e9c4d32ff88cae741be77
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://ttraff.me/123?keyword=5+times+table+worksheet+with+pictures In PDF document text
    • https://wefolukozik.weebly.com/uploads/1/3/1/4/131406413/ba1c8.pdfIn PDF document text
    • https://wojeribexojuxu.weebly.com/uploads/1/3/1/8/131856158/2518127.pdfIn PDF document text
    • https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/931685.pdfIn PDF document text
    • https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/tubuporesiluzab-novavejir-laxapati-lifipagut.pdfIn PDF document text
    • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/4521781.pdfIn PDF document text
    • https://wuwuleli.weebly.com/uploads/1/3/1/3/131398564/bisub-takona.pdfIn PDF document text
    • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/584ff28d2b5cfae.pdfIn PDF document text
    • https://pepuzategazeg.weebly.com/uploads/1/3/1/4/131453576/xumawudani-birir-lupodosonoja.pdfIn PDF document text
    • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/majizuwisokurut_mirowop.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366354/normal_5f875ca846f49.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366309/normal_5f8935e0a43b2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370317/normal_5f8a4831e5c95.pdfIn PDF document text
    • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/xasorowapumize_momofaxov.pdfIn PDF document text
    • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/1e853a82f77fdb.pdfIn PDF document text
    • https://nepufetok.weebly.com/uploads/1/3/1/4/131438640/1341012.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/76c30d49.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/2485ef60-a706-40da-abc4-d0b66d446017/91133764622.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5af912e4-f66a-47ca-848b-04a6560ef3a9/fuzotewusaw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/20da4078-cc9f-4d89-8c32-86f1f8f3262e/49418744864.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c358706b-6583-4f5a-9422-c1a0ae4650ed/46848919186.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_off00006f55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F55 5496 bytes
SHA-256: d29ee19fe4d9947803d5715738cd2a036d2cbbf414d2eced02695ccb16900915
font_01_sfnt_off000081ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81EC 9980 bytes
SHA-256: 04172eeb4358edfc78b016f0e88eb60ddc76143e491ddcbf37ff1cf2ccbbf9f3

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