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://cctraff.ru/strik?keyword=the+walking+dead+all+out+war+pdf In PDF document text

  • https://site-1043080.mozfiles.com/files/1043080/85150761132.pdfIn PDF document text
  • https://site-1037010.mozfiles.com/files/1037010/fezadajukowijutaso.pdfIn PDF document text
  • https://site-1040224.mozfiles.com/files/1040224/32976254969.pdfIn PDF document text
  • https://site-1038874.mozfiles.com/files/1038874/13583795781.pdfIn PDF document text
  • https://site-1036728.mozfiles.com/files/1036728/62782639328.pdfIn PDF document text
  • https://site-1038595.mozfiles.com/files/1038595/82332295179.pdfIn PDF document text
  • https://site-1039503.mozfiles.com/files/1039503/kijagatunaxaguvaligusol.pdfIn PDF document text
  • http://files.sebastopoltalentshow.com/uploads/1/3/1/3/131383743/6840799.pdfIn PDF document text
  • http://sevatu.emembership.net/uploads/1/3/1/3/131383323/tapogefit_zesugatox_rozatoniw_wasizorin.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4467/4979/files/exp_share_crystal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6407/2613/files/lucas_cav_fuel_pump_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4978/7285/files/one_christmas_night_tommy_emmanuel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/7398/8518/files/photoshop_certification_exam_answers.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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