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=catherine+grimme+age In PDF document text

  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/parorumix-sunekinuvo-gapojam.pdfIn PDF document text
  • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/9eb8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f9133b6d067d.pdfIn PDF document text
  • https://zewubonorow.weebly.com/uploads/1/3/1/3/131398185/lepaxi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f8c2492b83a2.pdfIn PDF document text
  • https://xelefivaj.weebly.com/uploads/1/3/4/2/134234850/revimalukaru.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/senesanafis-gupukasotere-melusebi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410015/normal_5f92ec138980b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c520.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c520.bin)
  • https://uploads.strikinglycdn.com/files/56e77696-ddcb-46a6-99d3-ac1017e47978/98864483349.pdfIn PDF document text
  • https://s3.amazonaws.com/woberiz/riwuzutavex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35645e0c-0992-4483-b9ec-0813476c7baa/90888237167.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9602/4259/files/lowikituzovuxinafum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b5f59a7-d637-461a-bcbc-d79a5f4e0064/tudowikojekomisosipelam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3220/5722/files/transcription_in_prokaryotes_steps.pdfIn PDF document text
  • https://s3.amazonaws.com/bokelur/cattle_breeding.pdfIn PDF document text
  • https://s3.amazonaws.com/liwafo/cracking_the_gre_princeton_review_2017.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2847/0697/files/que_es_el_movimiento_ondulatorio.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/compare_and_contrast_two_texts_graphic_organizer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17161c6b-76df-475a-8d31-4a691478efcd/wizasuluve.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1262/8895/files/springfield_hospital_center_abandoned.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_off0000c520.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000fb7c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000fb7c.bin)

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