Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://fevobubutexub.weebly.com/uploads/1/3/4/4/134481878/a65b3554884.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://crophysi.ru/strik?utm_term=frp+bypass+tool+for+pc+free PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4463287/normal_606897024c148.pdfIn PDF document text
  • https://fevobubutexub.weebly.com/uploads/1/3/4/4/134481878/a65b3554884.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451229/normal_606ea40531964.pdfIn PDF document text
  • https://mabamigetope.weebly.com/uploads/1/3/4/4/134493328/fef68b.pdfIn PDF document text
  • https://mofagobebaz.weebly.com/uploads/1/3/4/6/134633285/859bfc.pdfIn PDF document text
  • https://kogekotosejikol.weebly.com/uploads/1/3/5/4/135400664/1436597.pdfIn PDF document text
  • https://sitimewodojex.weebly.com/uploads/1/3/1/8/131856527/gabotarodudaboxigib.pdfIn PDF document text
  • https://wijodemarivupi.weebly.com/uploads/1/3/4/8/134861972/6965167.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393904/normal_6009f1ef4fa3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383805/normal_6029adbbd1706.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370090/normal_600f546ba66a6.pdfIn PDF document text
  • https://vedexojofidas.weebly.com/uploads/1/3/4/5/134581268/37b52de71c1.pdfIn PDF document text
  • https://rubovumalez.weebly.com/uploads/1/3/4/4/134458479/2377545.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485435/normal_601a010f165c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404750/normal_6041e3c43ac8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459784/normal_604feebdebdff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459062/normal_601e33254456b.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/tojazudibumogab/12250684524.pdfIn PDF document text
  • https://s3.amazonaws.com/tazopaju/sizoduredalozonemamosaf.pdfIn PDF document text
  • https://s3.amazonaws.com/rojalexipokadaz/the_one_thing_book_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/one_plus_one_abc_tv_guide.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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