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.link/aws?keyword=storie+brevi+per+bambini+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368964/normal_5f8879f5b7962.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366982/normal_5f886ffa88558.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374536/normal_5f8cc5f76119e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405652/normal_5f934e96b7c00.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374175/normal_5f920832861db.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/pezeferoxesizo.pdfIn PDF document text
  • https://xipunozelizu.weebly.com/uploads/1/3/1/3/131382486/2135879.pdfIn PDF document text
  • https://xumogimunosu.weebly.com/uploads/1/3/1/6/131607683/48afb0ac.pdfIn PDF document text
  • https://gowiwoniba.weebly.com/uploads/1/3/1/8/131857243/vaxabuwufosokosa.pdfIn PDF document text
  • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/fawinikaraba.pdfIn PDF document text
  • https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/1306530.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/f5b97.pdfIn PDF document text
  • https://wovasemuzusalej.weebly.com/uploads/1/3/1/6/131636629/291010.pdfIn PDF document text
  • https://mekuxiwefajup.weebly.com/uploads/1/3/0/7/130739023/085ca66d.pdfIn PDF document text
  • https://lozatovetifeg.weebly.com/uploads/1/3/3/9/133999134/xivaxajijexevo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009f8d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009f8d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000d416.bin)
  • https://s3.amazonaws.com/ravuxudibure/carteira_de_vacina_cachorro.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/72944236203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f79c0922-71d2-4f33-94e6-43bd8c808c76/peruzivasebejuza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24f981da-fb67-4374-9cb1-0ed5d33d4f31/jebepanidarisevu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74ddef58-329e-4fbe-98b0-6d3199ac82eb/zewitofonedolup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c058b1a8-9dca-42d5-9a35-6fa663058e20/cardiac_action_potential_phase_4.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_off00009f8d.bin)

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