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/aws?keyword=download+makalah+amdal+pdf In PDF document text

  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/tazanobawelugesusan.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/kovimivowuxomi-jakuvime-balup-fopeberutopavo.pdfIn PDF document text
  • https://zusaneji.weebly.com/uploads/1/3/0/8/130813769/3336638.pdfIn PDF document text
  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/689ca099.pdfIn PDF document text
  • https://mamexobupelo.weebly.com/uploads/1/3/1/3/131383482/1458305.pdfIn PDF document text
  • https://paseboke.weebly.com/uploads/1/3/4/4/134432883/naruleputoluk.pdfIn PDF document text
  • https://fofumizuzel.weebly.com/uploads/1/3/2/7/132740209/f17e31f1f328d.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/2cc4de7ee6.pdfIn PDF document text
  • https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/zupapebu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373517/normal_5f88d0e93da35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368486/normal_5f9413cbac6ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f8718209d51d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368745/normal_5f89e7783eced.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409417/normal_5f958904aafdc.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007df3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007df3.bin)
  • https://s3.amazonaws.com/zunaduxa/gre_verbal_words_list.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/toladiv.pdfIn PDF document text
  • https://s3.amazonaws.com/degisapemifa/83639008985.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4d5bfa6-cb91-4566-89db-908ee3574550/vewov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9787fbc0-cf29-4e58-a040-63fa304c2ddd/17560895158.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_off00007df3.bin)

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