Malicious PDF — malware analysis report

Heuristics 9

• 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://pogunokele.weebly.com/uploads/1/3/0/7/130739789/vugirekitamap-zajofoxopaviled-zolixes.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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://allytemp.ru/pbw?utm_term=txt+tvox+com PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4483870/normal_5fe2c198ad024.pdfIn PDF document text
  • https://pogunokele.weebly.com/uploads/1/3/0/7/130739789/vugirekitamap-zajofoxopaviled-zolixes.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_604b1cf14cef9.pdfIn PDF document text
  • https://minizaderi.weebly.com/uploads/1/3/4/3/134344024/cd6c01870.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4480423/normal_600bef0ac546d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://baxikufop.pbworks.com/w/file/fetch/144883509/digital_marketing_book_by_seema_gupta_free_download.pdfIn PDF document text
  • http://pivumiraw.pbworks.com/f/94242758564.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f3c975e-8ac4-4993-91d5-2f6f955a052f/56360709445.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bad83578-dd38-4dd9-82b9-807742591c9e/58871227672.pdfIn PDF document text
  • http://vulazojab.pbworks.com/f/2547137351.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecfced6a-83c8-4721-b708-117ec23df620/54162801469.pdfIn PDF document text
  • http://xibosini.pbworks.com/f/happy_birthday_countdown_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6629b0e-668b-4761-97be-a0be7136036d/5_elements_of_effective_thinking.pdfIn PDF document text
  • http://zovafidat.pbworks.com/w/file/fetch/145169235/sigoboz.pdfIn PDF document text
  • http://gesugot.pbworks.com/f/factors_that_increase_metabolic_rate.pdfIn PDF document text
  • http://lexibitite.pbworks.com/w/file/fetch/144534822/job_performance_evaluation_form_sample.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3edae38-2581-446c-9d7a-0b2b23c7a4d8/55491377467.pdfIn PDF document text
  • http://fajopab.pbworks.com/w/file/fetch/144620865/17670016456.pdfIn PDF document text
  • http://juzifezazuk.pbworks.com/f/maslach_burnout_inventory.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/069907e9-dddd-411f-b84a-2cdca0770824/ninja_professional_blender__nutri_ninja_cups_bl621_reviews.pdfIn PDF document text
  • http://kapetipubi.pbworks.com/f/textos_mal_escritos_para_corregir.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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