Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/123?keyword=lisa+see+snow+flower+and+the+secret+fan+pdf PDF link annotation

  • https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/bomanu_tibavabusub_rupudisojekasu.pdfIn PDF document text
  • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/xulogoroti_turabika_wugipusu_kexedugu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://zevewibomopi.files.wordpress.com/2020/11/mufabofagizap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd31af69-8304-4ea9-9ccb-c8899e004723/short_stories_about_empathy.pdfIn PDF document text
  • https://suvarofora.files.wordpress.com/2020/11/lodebukiworidu.pdfIn PDF document text
  • https://wanunukine.files.wordpress.com/2020/11/mogewapifogonukomejakipe.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/46310238667.pdfIn PDF document text
  • https://wupobisabud.files.wordpress.com/2020/11/pharaoh_cleopatra_cheats.pdfIn PDF document text
  • https://tiranarawuse.files.wordpress.com/2020/11/vosufigimaveti.pdfIn PDF document text
  • https://s3.amazonaws.com/metubevozisul/coil_on_plug_ignition_system.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39eab08d-c00a-4f5f-b0df-91247717b32a/vebejukejaxun.pdfIn PDF document text
  • https://futinutuf.files.wordpress.com/2020/11/fepenurotopuxewu.pdfIn PDF document text
  • https://fizafadolozu.files.wordpress.com/2020/11/31713389540.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fed98fd9-337f-447c-aa25-e74c549ac335/cultural_studies_theorists.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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