Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://trafftec.ru/123?keyword=tyler+classical+academy+uniforms PDF link annotation

  • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/9f28e3dd0b98e.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fibaxizimudez.pdfIn PDF document text
  • https://xekijepomi.weebly.com/uploads/1/3/4/5/134508866/3489675.pdfIn PDF document text
  • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/viwibutesu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381962/normal_5f8c8c3479d19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f8758c0aae19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475586/normal_5fa7d69a2ce0e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485435/normal_5fa86a146ac97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379032/normal_5f8bd5217a181.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/8171808.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/42cc96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381788/normal_5fab27e8cf2bb.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/sugowubuf/malijujevapi.pdfIn PDF document text
  • https://s3.amazonaws.com/pibajuwi/functional_groups_biology.pdfIn PDF document text
  • https://s3.amazonaws.com/xajowu/liwiwisosalenadasaxowaje.pdfIn PDF document text
  • https://s3.amazonaws.com/nowokil/sticks_card_game_label_template.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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