Malicious PDF — malware analysis report

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://cctraff.ru/aws?keyword=heat+and+mass+transfer+cengel+pdf+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402280/normal_5f912bb1b2529.pdfIn PDF document text
  • https://femitinekabel.weebly.com/uploads/1/3/1/4/131437683/sanopitaganej-fanadawipi-ranonarabexufe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383699/normal_5f8bcef932187.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365549/normal_5f8faadaec04a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f86fc104b2c0.pdfIn PDF document text
  • https://zolefixu.weebly.com/uploads/1/3/4/4/134432518/vixemewixikis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416939/normal_5f95c9d423924.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369647/normal_5f8c0deb47ab6.pdfIn PDF document text
  • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/vezorafiruxu-wenut-nelupuvamoda.pdfIn PDF document text
  • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/c0ec7418.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369788/normal_5f87e948efa6e.pdfIn PDF document text
  • https://xubafema.weebly.com/uploads/1/3/4/4/134447535/7304676.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388063/normal_5f906cba31336.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/090489.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/gasipus-wijux.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371244/normal_5f95c2331b507.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00007212.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00007212.bin)
  • https://uploads.strikinglycdn.com/files/6f3474fd-916e-4fe7-9237-4b289f2e7788/gogane.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisigetizoxif/37774896045.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/alternative_dispute_resolution_robeniol.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/afcat_1_2014_answer_key_download.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/16823554355.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d8eb757-1658-47a9-a58e-42ba1165f75d/fate_grand_order_hack_tool.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb0f0bfb-239e-42bd-87a8-23c2f6f2f2ed/gunegagoni.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 extracted file (font_01_sfnt_off00007212.bin)

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