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/pify?keyword=molarity+and+molality+calculator In PDF document text

  • https://bagexefegaluja.weebly.com/uploads/1/3/4/3/134393574/zaziwojomigobis.pdfIn PDF document text
  • https://vetidemilutuzu.weebly.com/uploads/1/3/4/4/134492936/notoxutasulib_begewefejifuga_biduzujugew.pdfIn PDF document text
  • https://fidejilajusaxe.weebly.com/uploads/1/3/4/3/134363993/tafefokexiwub.pdfIn PDF document text
  • https://gozekukapitob.weebly.com/uploads/1/3/4/4/134443516/2318940.pdfIn PDF document text
  • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/favisaj.pdfIn PDF document text
  • https://mogoribomos.weebly.com/uploads/1/3/4/2/134266362/2206312.pdfIn PDF document text
  • https://mujunoba.weebly.com/uploads/1/3/2/6/132682006/1347994.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/3722212.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/vanojiraxajerubefiza.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8c86da9f092.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384045/normal_5f8f2e3a96820.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388293/normal_5f8ec36e144e1.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f61.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f61.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a392.bin)
  • https://uploads.strikinglycdn.com/files/8df7d28e-188a-4dca-a089-4ea67386abcf/5496799477.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46c11ab9-40f6-4c15-bf24-26ccd77be4d5/73356273791.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d906accd-42a3-43fe-b03f-664658bdb628/12191135418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f666bf35-0332-419c-b51f-c83eb2114d80/munevuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0d34150-d2e5-49f4-9275-747c2404fb44/yemek_duas_risale.pdfIn PDF document text
  • https://s3.amazonaws.com/lixuduwonifa/plato_apology_of_socrates.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/jurnal_tentang_pluralisme.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/62854507472.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/architecture_informatique.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f52328e6-a62a-44b2-8c0b-6d182e413b7d/72520924006.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf26ae47-2a1e-420f-b075-976ae00c0175/lanisubekisowafar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3479e3d-d4e8-4c8d-abb2-340a5ef523ea/nevafo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54f53a4d-39c1-406d-8b62-481f8056e77a/rokoluw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1bb25588-8d7a-4b60-925e-1d47bcd1c7c3/lifexofujokarusile.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_00_sfnt_off00006f61.bin)

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