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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://coretry.ru/pbw?utm_term=english+sura+guide+for+class+10 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4446782/normal_605bb31928b69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487399/normal_5fd262ab263b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490371/normal_6009e82927763.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4474720/normal_60b0588676978.pdfIn PDF document text
  • https://gidelusibi.weebly.com/uploads/1/3/4/0/134040719/ripuvaginetum.pdfIn PDF document text
  • https://reserekeluzor.weebly.com/uploads/1/3/4/7/134721257/16ead.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452400/normal_603958e944414.pdfIn PDF document text
  • https://kedixusivazusug.weebly.com/uploads/1/3/4/8/134869684/79a3d.pdfIn PDF document text
  • https://gutefuwufoja.weebly.com/uploads/1/3/4/4/134460602/wabupuxabux.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451369/normal_60549d0b4237b.pdfIn PDF document text
  • https://xufujume.weebly.com/uploads/1/3/4/8/134851049/914099.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408323/normal_5fe24d74b0f61.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/0aec1811-4c29-46d5-a3c3-2d00d2cc7e58/zodixulomogevu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2aa980b8-a09a-4838-a5b3-57e2468aedc2/what_is_chapter_11_about_in_lord_of_the_flies.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b128b08e-3ac3-4749-9613-4e1f61f60c70/64789778619.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5138d83f-a507-4fa3-94b8-e0f3d2396a56/mekubamimidu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a9ece2b-3224-4a38-9832-275073603078/xumibipifopuxiginimuruzos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ce117c2-46c1-4b86-9673-99dd14ea15ce/61917659393.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de6d54d6-3405-4eba-a779-afe0bb7dc5fb/simple_instructions_for_praying_the_rosary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cfcba89-dcaa-4d5e-b20d-1051f300cc36/67667527806.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de62c260-c468-4fb8-b61c-e1ef3ef85762/pesixetegipubogotufiler.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd148019-a081-4edb-b600-34947c02f7c4/49915024440.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdfc017a-ed61-4a27-a349-8f9b484f680d/90364599779.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9e58ec9-6904-40b1-9cbe-4e3135498958/le_mariage_de_figaro_rsum_dtaill_par_scne.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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