Malicious PDF — malware analysis report

Static analysis result for SHA-256 7938cc5ada2c9984…

MALICIOUS

PDF

39.7 KB Created: 2020-10-27 12:05:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 27317b185aa144f77cb53096c5c6a663 SHA-1: 3e5d802dc5ba4fd0d784332ba88ba4510e7ee7a7 SHA-256: 7938cc5ada2c998436368c05a5757b8ed04dea6ba4f8ad08a8a8da64f649fafc
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://ggtraff.ru/wb?keyword=2015%20hyundai%20sonata%20sport%202.0%20t%20owners%20manual In PDF document text
    • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/a447fa5a.pdfIn PDF document text
    • https://xedaliwim.weebly.com/uploads/1/3/1/4/131454603/polimuponoxu_bejujabu.pdfIn PDF document text
    • https://moleresudiba.weebly.com/uploads/1/3/4/4/134447347/068874db41185.pdfIn PDF document text
    • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/farepo.pdfIn PDF document text
    • https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/daa79e9cc5.pdfIn PDF document text
    • https://likotemeg.weebly.com/uploads/1/3/4/4/134464786/13b05de4ba904f.pdfIn PDF document text
    • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/runafevove.pdfIn PDF document text
    • https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/7301426.pdfIn PDF document text
    • https://tovozilulu.weebly.com/uploads/1/3/0/8/130873983/e0d3d27f64f48.pdfIn PDF document text
    • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/vepetobonev-xijegosom.pdfIn PDF document text
    • https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/7543097.pdfIn PDF document text
    • https://neluposu.weebly.com/uploads/1/3/4/3/134369170/narusegazebabin.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380395/normal_5f8e972a21ed4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8b4a916ab07.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366047/normal_5f86fc1ead8cf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369138/normal_5f953c2fa67c8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368982/normal_5f9526d72d7f3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gezetega/30345195465.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/7405/5063/files/retef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9095/1848/files/super_smash_bros_ultimate_download_apk_android.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_off00004e99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E99 2968 bytes
SHA-256: 1c91280eb79ffdc858b6ecd2b9b1b9121e398c569f5702dd47e27479ee3b0056
font_01_sfnt_off0000593f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x593F 5780 bytes
SHA-256: 114d94625df367e46cfb4e2455ee007ed5e381f2496bf93cc78648a9a7408106
font_02_sfnt_off00006cda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CDA 10024 bytes
SHA-256: a823970532fec64b838258942579013c6bace012b79acc680fa468bc335e96c5

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