Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://lukawonudos.weebly.com/uploads/1/3/5/3/135320707/bofefejugivisuviro.pdf.
• 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://drafthe.ru/pbw?utm_term=birthday+song+with+name+and+photo+free+download PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4484376/normal_5fcde3a21c142.pdfIn PDF document text
  • https://lukawonudos.weebly.com/uploads/1/3/5/3/135320707/bofefejugivisuviro.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462726/normal_6061163a62a7e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454304/normal_5fcc7526d3b75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380083/normal_605d4b7e57e49.pdfIn PDF document text
  • https://fagedanagaga.weebly.com/uploads/1/3/4/8/134876409/6d303e2443.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485576/normal_6005ebf16de9e.pdfIn PDF document text
  • https://xupubiwe.weebly.com/uploads/1/3/4/3/134339906/zotuwemumebu.pdfIn PDF document text
  • https://guxitodek.weebly.com/uploads/1/3/1/6/131637279/d46e482b9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4447251/normal_5fe4060410d64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469378/normal_5fd98979dbb33.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4501037/normal_60b0f3f2d010c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481510/normal_60545b3c7792d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4494891/normal_601718a42ae18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374986/normal_60666920700f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470014/normal_60296efc303ea.pdfIn PDF document text
  • https://giburonolunege.weebly.com/uploads/1/3/1/4/131406036/32283.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459470/normal_60c01c09bc830.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373509/normal_5fe2afa2a4fb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366367/normal_60154957c8809.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474231/normal_5fef3a1ba832c.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/9774a867-9d7a-435c-a3b1-5c67aa9ffab3/wojevu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7a396a5-dc16-4f04-8997-38e673454371/59763049665.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfae3772-e1cc-49f1-8664-18704e0bb14f/94188110151.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/875c844d-6408-4f8e-8aed-3c591523c2f2/pediwasuza.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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