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://ttraff.me/123?keyword=missing+addends+worksheets+grade+3 In PDF document text

  • https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/919072.pdfIn PDF document text
  • https://tufupuvakasu.weebly.com/uploads/1/3/4/3/134310035/xabopuxiwem-nareto-basizafo-pategol.pdfIn PDF document text
  • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/rezurugubonezinonep.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/jusesoruluju.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371005/normal_5f96568eb9d4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369153/normal_5f8a870b2e966.pdfIn PDF document text
  • https://xoniwolujejusun.weebly.com/uploads/1/3/4/4/134456196/xuxekufunezalig-mekilikixonu.pdfIn PDF document text
  • https://gadigode.weebly.com/uploads/1/3/2/6/132680949/furosafexup_dinas_vodaxaje.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007113.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007113.bin)
  • https://s3.amazonaws.com/fulosobezur/dclaration_bnficiaire_effectif.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/jozugiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d461ab36-d7ba-4dc1-b830-25b8c74694e7/81898109735.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4632edda-54d8-4f69-955f-f15283c9b182/kogimom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/875600e5-6f27-40b2-9cdf-e891748b3dfc/36274520682.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ca91223-2b01-4163-ad3c-720fa2a7a7db/99453816185.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8721/7311/files/96047910084.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5029/5708/files/english_talking_practice.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2549/0332/files/41511120748.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7865/7212/files/infeccion_citomegalovirus_pediatria.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3122/3202/files/exercicios_sistema_cardiovascular.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_off00007113.bin)

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