Malicious PDF — malware analysis report

Heuristics 8

• 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://gipasutojemozup.weebly.com/uploads/1/3/1/3/131379868/gidifevejere.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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://seumenha.ru/wix?keyword=the+joker+google+docs+download PDF link annotation

  • https://gipasutojemozup.weebly.com/uploads/1/3/1/3/131379868/gidifevejere.pdfIn PDF document text
  • https://fiwirozubaxezu.weebly.com/uploads/1/3/4/6/134659856/7c847666.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462059/normal_5fd97e40b645d.pdfIn PDF document text
  • https://sabadefupi.weebly.com/uploads/1/3/4/3/134345863/5863583.pdfIn PDF document text
  • https://zaxefuki.weebly.com/uploads/1/3/5/2/135299090/negikujezulex_sanumewawo.pdfIn PDF document text
  • https://bumewotosebixab.weebly.com/uploads/1/3/5/2/135298585/017dedab.pdfIn PDF document text
  • https://gepemizuwawufak.weebly.com/uploads/1/3/4/3/134335313/c1e80ad37f096.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4504788/normal_601030948bdee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500877/normal_600e26a57c1e7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485821/normal_5fc97cdad01d7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495684/normal_5ffa8972bd67f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417312/normal_5fd5fdc124f65.pdfIn PDF document text
  • https://xikaxuroloxo.weebly.com/uploads/1/3/1/4/131406092/2837917.pdfIn PDF document text
  • https://gixujadimi.weebly.com/uploads/1/3/4/7/134708567/6243792.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/vinejivunitego/vomaxofugutuvadoba.pdfIn PDF document text
  • https://s3.amazonaws.com/zusevamasor/watirizovibukatul.pdfIn PDF document text
  • https://s3.amazonaws.com/feborobegibew/legal_assistant_job_description.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/rokaw.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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