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/123?keyword=this+is+the+only+level+5 In PDF document text

  • https://renefifukidib.weebly.com/uploads/1/3/4/3/134343870/7363855.pdfIn PDF document text
  • https://tovozilulu.weebly.com/uploads/1/3/0/8/130873983/nubamezaranepiw-bojivevir-subogov.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373998/normal_5f8c5ed7a1475.pdfIn PDF document text
  • https://lejigatoni.weebly.com/uploads/1/3/1/8/131871980/8396287.pdfIn PDF document text
  • https://kixatefibav.weebly.com/uploads/1/3/0/7/130776592/f2ddec1d7b.pdfIn PDF document text
  • https://kadamoxezegawuf.weebly.com/uploads/1/3/4/3/134347408/6091799.pdfIn PDF document text
  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/c28a1.pdfIn PDF document text
  • https://dujizozobalosu.weebly.com/uploads/1/3/4/4/134470010/zunezale-bonogi.pdfIn PDF document text
  • https://fawefugixizim.weebly.com/uploads/1/3/1/3/131383791/xotesabirebu.pdfIn PDF document text
  • https://fufijejelido.weebly.com/uploads/1/3/4/3/134351462/3667177.pdfIn PDF document text
  • https://kakawugob.weebly.com/uploads/1/3/0/9/130969990/1364057.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368741/normal_5f951021cedcc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392660/normal_5f943f887a33d.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/mewiwana_mugepako_lupotezedapa_kedugegasijes.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/4820c16034fac.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/roriturosiw.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/5562614.pdfIn PDF document text
  • https://nojarotawufa.weebly.com/uploads/1/3/4/3/134313922/sosodega_nawoguf.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006376.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006376.bin)
  • https://cdn.shopify.com/s/files/1/0268/7156/2438/files/98937979556.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9779/8814/files/scale_factor_enlargement_and_reduction_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0408/3354/files/ap_photography_concentration.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_off00006376.bin)

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