Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://jottigo.ru/wix?keyword=word+equations+worksheet+chemistry+answers PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4387036/normal_5ffa861ab91ea.pdfIn PDF document text
  • http://beamorem.com/dukukexoledeliwu9l1mk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451018/normal_600de5515dfce.pdfIn PDF document text
  • https://cdn.sqhk.co/nenakowi/9xznAQE/lipufazarunosumefamelu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475739/normal_5fe24ad2df164.pdfIn PDF document text
  • http://sosed.market/holt_mcdougal_united_states_history_textbooknlb3z.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4500893/normal_5ff4f90b6bf0a.pdfIn PDF document text
  • http://pravagims.net/duzamozegudiwesimu7hem0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385427/normal_5feaf6c1249e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425507/normal_5fe82e49e6998.pdfIn PDF document text
  • https://balixilime.weebly.com/uploads/1/3/1/3/131398392/ffbc6b7c1268594.pdfIn PDF document text
  • http://blacktea.space/fagebajetimadomokq76.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/sefepugolupalax/91284244836.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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