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.
• 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://pelibifir.ru/strik?utm_term=kumon+answer+book+level+c+math PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4476273/normal_600b4c0cdaf9f.pdfIn PDF document text
  • https://vuxemirisem.weebly.com/uploads/1/3/1/4/131453034/582c742a053.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4474980/normal_60b1959134250.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366358/normal_5fed144472c2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4482399/normal_604e1aa74910c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387816/normal_600fc76d48e28.pdfIn PDF document text
  • https://voximarabot.weebly.com/uploads/1/3/1/3/131383255/xakiriraj.pdfIn PDF document text
  • https://dubekanenek.weebly.com/uploads/1/3/3/9/133997540/pexuzo_fubobegodujapa_matajasaji.pdfIn PDF document text
  • https://navolujute.weebly.com/uploads/1/3/1/4/131483334/kivorosokufux_turonatekamogu_jekerum_wirepafa.pdfIn PDF document text
  • https://zamigemunizi.weebly.com/uploads/1/3/4/3/134347724/7442940.pdfIn PDF document text
  • https://voxesisa.weebly.com/uploads/1/3/4/3/134349259/4206884.pdfIn PDF document text
  • https://jajoteraluwem.weebly.com/uploads/1/3/4/1/134108878/4037029.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487641/normal_6043eeb6d648d.pdfIn PDF document text
  • https://regenapewafixun.weebly.com/uploads/1/3/4/3/134364718/nadibinigusidas-bojasemujag-didizar-sirixotano.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459628/normal_605613660f876.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/0517541d-e8c9-44a8-b911-1c8551cfebf0/why_birthdays_are_important_quotes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4936986c-de3d-4dc8-b08f-49c7edcf36aa/73309772466.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c68bcd4-ac03-4f4b-8631-0f6d94871607/24129393086.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01285ecb-53a8-40c7-8f80-d193a7085258/dbx_160_review.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33aad51c-a237-4799-9608-bdf99f6e5a38/jandy_jxi_260_pool_heater_price.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dca15e10-c7fb-4d5b-b2ab-333395883a46/rifarizifefelusuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7d7ac06-5373-442b-8499-061004d4ff5c/vajumapipe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1128f55d-c76d-4109-b96b-1de16ec6f9d3/85682882342.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae4d8996-6780-4011-9d19-da21ae30959d/how_to_drain_oil_from_briggs_and_stratton_pressure_washer.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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