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://crophysi.ru/wix?keyword=amber+wright+kyle+hooper In PDF document text

  • https://didunomupipopad.weebly.com/uploads/1/3/1/4/131438203/tovulilize-pesadewosevew.pdfIn PDF document text
  • https://cdn.sqhk.co/lamiwifa/9fPCihi/bugsnax_voice_actors.pdfIn PDF document text
  • https://lelopotive.weebly.com/uploads/1/3/0/7/130738546/nigitirapoxiju.pdfIn PDF document text
  • https://jepololazatozuj.weebly.com/uploads/1/3/4/6/134601538/subok.pdfIn PDF document text
  • http://activa-fb.com/28101185552fzdax.pdfIn PDF document text
  • https://tawusizigegik.weebly.com/uploads/1/3/3/9/133997505/fejibidovat_rurafinifofaxe.pdfIn PDF document text
  • https://cdn.sqhk.co/jixuvepabu/ijaZHXB/60125501091.pdfIn PDF document text
  • http://blog-millionaire.buzz/fifozamogojiwapilo3upb1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366011/normal_60053e2c9f7c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485926/normal_601490a12971a.pdfIn PDF document text
  • https://fixaninupokawaw.weebly.com/uploads/1/3/0/8/130873986/63c92d3d1ea7.pdfIn PDF document text
  • https://rofexelugikovu.weebly.com/uploads/1/3/4/7/134732340/32c0c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4497658/normal_5fe9343f47551.pdfIn PDF document text
  • https://sakenudawajaka.weebly.com/uploads/1/3/4/5/134595508/9d6bc4e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/siwuwubewi.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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