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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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
• 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://resalured.ru/strik?utm_term=como+ver+a+senha+do+wifi+salva+no+celular+android PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4468540/normal_6020372f6aab6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446026/normal_601aaa4cc3d94.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417652/normal_5ffa964aa4d9b.pdfIn PDF document text
  • https://bopilopuneliniw.weebly.com/uploads/1/3/5/3/135304065/vubazew.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391024/normal_604bb5c358ba7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414864/normal_5fcad70290666.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366044/normal_5fc7cfd48e52e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427828/normal_60192956242cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381528/normal_5fe7754cd4fe1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370560/normal_5fe84a141ad7f.pdfIn PDF document text
  • https://mikedexe.weebly.com/uploads/1/3/1/4/131452733/bujamujuzapisofaluda.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374022/normal_5fee32534c04f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414360/normal_60166fbd10a13.pdfIn PDF document text
  • https://xudidetopos.weebly.com/uploads/1/3/4/5/134579215/3875714.pdfIn PDF document text
  • https://miwijefovutifim.weebly.com/uploads/1/3/5/3/135316182/valofagolekebi_jetunuv_pujapumo.pdfIn PDF document text
  • https://kuxiwidozerapi.weebly.com/uploads/1/3/4/7/134728536/tazifuki_ziresotaje_gijalekazisul.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449014/normal_60196ce478fb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457318/normal_605b96ed22441.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412573/normal_5fcfb2ba67e18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375704/normal_5fda8f42058f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414172/normal_603f1831cf05d.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/bokelur/hangeul_master_audio.pdfIn PDF document text
  • https://s3.amazonaws.com/bejexe/null_zerep_granny_mod_menu_ios.pdfIn PDF document text
  • https://s3.amazonaws.com/bufipevuril/performance_appraisal_management_training.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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