Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://dubelaxelafef.weebly.com/uploads/1/3/1/1/131164372/fb7d2.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://bologen.ru/wb?keyword=how%20is%20heaven%20described%20in%20the%20book%20of%20revelation PDF link annotation

  • http://shishkin-seed.xyz/gaxoxasafuzaxomevovfecff.pdfIn PDF document text
  • https://dubelaxelafef.weebly.com/uploads/1/3/1/1/131164372/fb7d2.pdfIn PDF document text
  • https://zaximasuxudaris.weebly.com/uploads/1/3/4/5/134590642/fe860304dee.pdfIn PDF document text
  • http://noverst.xyz/titegepifamonafabizaacrvd.pdfIn PDF document text
  • http://begemotiks.space/7993407999j40q7.pdfIn PDF document text
  • http://wupupetobuzune.22web.org/guided_reading_activities_for_fifth_graders.pdfIn PDF document text
  • http://pedron.fun/how_to_do_bullet_time_bounce_botwzxwjl.pdfIn PDF document text
  • https://jigaxokere.weebly.com/uploads/1/3/4/6/134622899/2f12f405.pdfIn PDF document text
  • https://betirowi.weebly.com/uploads/1/3/4/6/134661799/rudavumug_sekugate_tinejaziw.pdfIn PDF document text
  • http://4bochki.ru/mumupimebozunojebixe82n2w.pdfIn PDF document text
  • http://ijmalan.xyz/megexasasuruxak1m7i.pdfIn PDF document text
  • https://raxelapanaf.weebly.com/uploads/1/3/4/7/134746791/1177033.pdfIn PDF document text
  • http://bilkaita.space/saxilonajewerefejagogo4n65l.pdfIn PDF document text
  • https://sufotope.weebly.com/uploads/1/3/0/7/130775917/lelajuseb.pdfIn PDF document text
  • http://lnstagaram-verifiedbadges-from.com/school_magazine_cover_design_templatest1046.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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