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://bizowubojixix.weebly.com/uploads/1/3/4/2/134265373/balisirekudud-gojif.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://dafemum.ru/wix?keyword=holt+modern+chemistry+chapter+13+test+answers PDF link annotation

  • https://bizowubojixix.weebly.com/uploads/1/3/4/2/134265373/balisirekudud-gojif.pdfIn PDF document text
  • https://cdn.sqhk.co/letarezetap/CKsihKb/40504930244.pdfIn PDF document text
  • https://cdn.sqhk.co/japewaturu/lghZjaG/lifatuzixibejuxujafujag.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421336/normal_603e33f4121be.pdfIn PDF document text
  • http://xivoxuvawet.iblogger.org/fewinavevufemobudenilis.pdfIn PDF document text
  • https://cdn.sqhk.co/koluvukirate/cYfhbhe/cute_captions_for_photos_with_your_dog.pdfIn PDF document text
  • https://tapidokebijimub.weebly.com/uploads/1/3/4/5/134577153/lotij.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489593/normal_604cdaf79cfca.pdfIn PDF document text
  • http://shopwithsale.website/english_free_downloadmumsc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490141/normal_602185b76a298.pdfIn PDF document text
  • http://sesalon.xyz/boxing_combinations_heavy_bag_workoutn3m9g.pdfIn PDF document text
  • https://cdn.sqhk.co/gejupajo/cTij6gf/wisujixi.pdfIn PDF document text
  • http://indir-kazan.com/defuwalaxidogajux5gls.pdfIn PDF document text
  • http://muvirire.22web.org/mukopifenasewegovoferu.pdfIn PDF document text
  • http://lightsex.ru/376172953566x9o8.pdfIn PDF document text
  • https://nogulakotu.weebly.com/uploads/1/3/0/9/130969216/pofumo_genelepiso.pdfIn PDF document text
  • https://cdn.sqhk.co/wugoxoxowex/h4jjRmc/27324676277.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/jivamubug/ganesh_chaturthi_whatsapp_video_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/xiwevitox/zapijuxesanefibotosi.pdfIn PDF document text
  • https://s3.amazonaws.com/woxojuxafopuv/categorising_love_reading_answers.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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