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://takotowi.weebly.com/uploads/1/3/4/3/134356266/34cb995e716319f.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://baarspo.ru/strik?utm_term=how+to+get+a+free+blue+tick+on+instagram PDF link annotation

  • https://takotowi.weebly.com/uploads/1/3/4/3/134356266/34cb995e716319f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4502698/normal_5fecc3b179c9e.pdfIn PDF document text
  • https://panemomozig.weebly.com/uploads/1/3/4/5/134503052/zejesosexeb.pdfIn PDF document text
  • https://vudonifudiw.weebly.com/uploads/1/3/2/7/132741109/sekopuwunaremi.pdfIn PDF document text
  • https://vebipebetas.weebly.com/uploads/1/3/4/0/134012388/luwulexut_zufutox.pdfIn PDF document text
  • https://mowibusox.weebly.com/uploads/1/3/4/5/134591082/roziwale.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414175/normal_5fc5ce9f60999.pdfIn PDF document text
  • https://forelidik.weebly.com/uploads/1/3/0/7/130775511/tinozurob.pdfIn PDF document text
  • https://jipaxebuperiw.weebly.com/uploads/1/3/4/7/134751602/1894999.pdfIn PDF document text
  • https://vojimefijizudi.weebly.com/uploads/1/3/4/3/134310580/4ec8228d.pdfIn PDF document text
  • https://kogavegi.weebly.com/uploads/1/3/4/8/134873631/ruferogusuka_vuxebarivi_kowuxomif_xekekifawirozo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384655/normal_601bb9da75f62.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454167/normal_5fedb36166c3d.pdfIn PDF document text
  • https://lefexaro.weebly.com/uploads/1/3/5/3/135324439/0bb0b689.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cc51f52-3e67-4b35-b360-d9f975ee3c02/1966217423.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b364366-46f4-4d48-90bf-be930de5fd4f/81512587081.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d2532b9-7c6b-4d11-9a69-80f5186e2386/piranha_profits__value_momentum_investing_course_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49a8f398-892c-4cfa-b300-293eff3bb1d1/51900579418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f2609c0-47ad-4fcb-b1f1-b78a0fea7262/what_does_blue_color_personality_mean.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cc87599-0a80-42a6-89eb-fc16caba9b3d/14539041212.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f57d9894-11d0-4e4b-9ae3-0d823d81fa8b/16776688903.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32aaeba8-96db-4380-883d-992f37c1450a/55330263920.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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