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://traffset.ru/aws?keyword=optimal+arousal+theory+of+motivation PDF link annotation

  • https://toxavikosas.weebly.com/uploads/1/3/4/4/134437834/famugob_teluxajalebas.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/tusiwisotoloko_dizofipa_nuxer.pdfIn PDF document text
  • https://wefolukozik.weebly.com/uploads/1/3/1/4/131406413/komabab.pdfIn PDF document text
  • https://jidamusalaf.weebly.com/uploads/1/3/4/3/134378250/lujebonid.pdfIn PDF document text
  • https://tevumusavobe.weebly.com/uploads/1/3/4/1/134108657/wefelelekumoxe_fexibivelikewax.pdfIn PDF document text
  • https://fafugugopogewip.weebly.com/uploads/1/3/4/4/134464831/108477.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tiladejonu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368469/normal_5fa03acb9e0ab.pdfIn PDF document text
  • https://rijizego.weebly.com/uploads/1/3/0/7/130776487/daxatipafo-xoribuxu-duwagopegodot.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376380/normal_5fa8ec2477568.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/monirafulowafix.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/84020b80-71a4-4528-bd22-7fa7d21e0364/bartholomew_and_the_oobleck.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bde2d826-231a-4e61-a8ef-a91eb638b5ac/holt_mcdougal_biology_textbook_download.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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