Malicious PDF — malware analysis report

Heuristics 7

• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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://catamma.ru/pbw?utm_term=belinda+anne+rice+pdf PDF link annotation

  • https://golisarupu.weebly.com/uploads/1/3/5/3/135317681/7c1787349a.pdfIn PDF document text
  • https://lefexaro.weebly.com/uploads/1/3/5/3/135324439/4745248.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4498978/normal_606e27709668b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4447097/normal_5ff2277f9e242.pdfIn PDF document text
  • https://jelalepoxona.weebly.com/uploads/1/3/4/9/134901657/3867856.pdfIn PDF document text
  • https://jevemiparo.weebly.com/uploads/1/3/4/5/134501543/pevedekelilapovazo.pdfIn PDF document text
  • https://donabetolemi.weebly.com/uploads/1/3/1/6/131637402/9334619.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471236/normal_606938b5f1e5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4498978/normaIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/efdfe6cc-73df-44b9-a2a7-4b720f536efb/vafonikudi.pdfIn PDF document text
  • http://vedufid.pbworks.com/w/file/fetch/144576240/64857388265.pdfIn PDF document text
  • http://zolunegoli.pbworks.com/f/94054290286.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79da8b20-9c67-4903-a05d-19145a75886a/how_to_use_scissors_to_make_ribbon_curly.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e784f31d-6aa2-46fd-991e-41e869a95647/marlin_model_60w_for_sale.pdfIn macro / runtime command snippet
  • https://uploads.strikinglycdn.com/files/27fbd6c5-3b4e-4fba-b517-073740588e87/kekukatuxujotugatega.pdfIn PDF document text
  • http://fuxedom.pbworks.com/w/file/fetch/145168404/goluwumowojusebejirejeno.pdfIn PDF document text
  • http://sipibujewadu.pbworks.com/w/file/fetch/144576444/funciones_trigonometricas_en_el_plano_cartesiano_definicion.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d30f80d-91d0-4b36-acd4-c2ef24b33562/what_is_the_best_conflict_management_style.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af865830-11ea-4f92-9f65-a8174955529b/6228440319.pdfIn PDF document text
  • http://wemilamozede.pbworks.com/f/how_to_hack_classcraft_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86998451-3871-490b-8f6b-e7bd200ad6e8/binimuxoguviduwejupas.pdfIn PDF document text
  • http://jabevexizoj.pbworks.com/w/file/fetch/144722211/samsung_sl_m2070w.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ee06094-0a47-4612-b42d-618c15a2957f/motorola_s11_hd_not_charging.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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