Malicious PDF — malware analysis report

Heuristics 4

• 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 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=turbotax+discount+code+2020 In PDF document text

  • https://gasodugolulo.weebly.com/uploads/1/3/4/3/134375537/bikutodiv.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/47292360a0.pdfIn PDF document text
  • https://nimewoguvinu.weebly.com/uploads/1/3/4/4/134433183/1010537.pdfIn PDF document text
  • https://wofenexezut.weebly.com/uploads/1/3/4/3/134310974/5850506.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379487/normal_5f8b711acb66b.pdfIn PDF document text
  • https://nuvetifozeg.weebly.com/uploads/1/3/4/3/134358797/2438367.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389824/normal_5f97249ddc60d.pdfIn PDF document text
  • https://gapefupekud.weebly.com/uploads/1/3/1/8/131871489/fuwexefafo-sesurexapu-mimexubuma.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/440efb97-df01-46c8-b5a6-933b03d9caa7/51176868043.pdfIn PDF document text
  • https://s3.amazonaws.com/ronatiduzoxij/security_guard_training_materials.pdfIn PDF document text
  • https://s3.amazonaws.com/gelawiweza/en_pos_de_lo_supremo.pdfIn PDF document text
  • https://s3.amazonaws.com/satedafadusizo/the_outsiders_questions_and_answers_chapter_5.pdfIn PDF document text
  • https://s3.amazonaws.com/mefovu/52491883711.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e694cf2-a5d2-4074-876a-2464d0e0fcd2/99996970014.pdfIn PDF document text
  • https://s3.amazonaws.com/divelatoxa/18709000072.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

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