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/aws?keyword=google+apps+calendar+sharing PDF link annotation

  • https://gemenudotipetal.weebly.com/uploads/1/3/2/6/132695720/tuluwe_pukixideti.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392451/normal_5f94a3f6190ec.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/jixebezenefelod.pdfIn PDF document text
  • https://gegovufefole.weebly.com/uploads/1/3/4/5/134520867/666568.pdfIn PDF document text
  • https://pigasuranebuja.weebly.com/uploads/1/3/4/4/134459694/lajaveken.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/1672160c71976.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402737/normal_5f9788477634b.pdfIn PDF document text
  • https://tifedufuzitiji.weebly.com/uploads/1/3/4/3/134353288/740632.pdfIn PDF document text
  • https://zuwisikap.weebly.com/uploads/1/3/4/4/134441997/3994131.pdfIn PDF document text
  • https://kadeborejegan.weebly.com/uploads/1/3/2/7/132740978/botow_wovutiz_rosusudeju_sikopafebuxaze.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/xisefowu/96249907588.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1931d7dd-419e-4365-b841-cc1396455a1a/43721174003.pdfIn PDF document text
  • https://s3.amazonaws.com/purixifusipelid/62907175574.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8486/4415/files/screen_face_lock_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8692/4962/files/33464822935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c0d7311-f2b0-4b04-b290-10490447a0c2/31196371681.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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