Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://dafemum.ru/wix?keyword=think+like+a+grandmaster+pdf PDF link annotation

  • https://bewanabexujafo.weebly.com/uploads/1/3/6/0/136050633/bebadowewa.pdfIn PDF document text
  • https://xujopikaxatanow.weebly.com/uploads/1/3/4/8/134850499/japipejaxutekuti.pdfIn PDF document text
  • http://kijofizovurisos.medianewsonline.com/retencion_placentaria_en_bovinos_tratamiento.pdfIn PDF document text
  • https://cdn.sqhk.co/lekabadixi/2fifjgg/gluten_free_dessert_recipes_with_almond_flour.pdfIn PDF document text
  • https://cdn.sqhk.co/wakivugex/ggjicjf/barbershop_movie_2_cast.pdfIn PDF document text
  • https://cdn.sqhk.co/wapogade/hZggcjj/semi_formal_attire_for_wedding_guest_male.pdfIn PDF document text
  • https://tivavazo.weebly.com/uploads/1/3/5/3/135337759/xakexuzobukol.pdfIn PDF document text
  • https://ditoleruv.weebly.com/uploads/1/3/5/3/135345680/josuvikosiki_fudepidijesa_zezufe.pdfIn PDF document text
  • https://cdn.sqhk.co/bejamisokepu/gcXgfia/29491961558.pdfIn PDF document text
  • https://cdn.sqhk.co/nomazotesi/thjMig8/motije.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e06e8306-d71e-4c92-aa1b-e8c52eeb44cb.filesusr.com/ugd/bc4951_e36fbd8bf0f9424390c3b509517e474f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/simujix/aprende_ingles_gratis_unam.pdfIn PDF document text
  • https://s3.amazonaws.com/xufaxoferugod/10519649833.pdfIn PDF document text
  • https://f2d828cf-06d9-46ea-85af-d88b0bc20d44.filesusr.com/ugd/501a20_a4c0587bc0354fa7a1dc2b56682ba6bd.pdf?index=trueIn PDF document text
  • https://83f018a0-8e49-44f0-b57e-805e464a5f06.filesusr.com/ugd/10a4aa_4b63406a1c544535b8f5c5f56c1fe5b6.pdf?index=trueIn PDF document text
  • http://laxukumelukadut.myartsonline.com/livevutomizejat.pdfIn PDF document text
  • https://51956041-da35-40aa-96c1-085c1f47c80d.filesusr.com/ugd/e6e573_2f3d2bbc46ee43b1a40dd6e5ccae7b1b.pdf?index=trueIn PDF document text
  • https://3df06c22-1e8a-4082-8cc2-a0fdc0609706.filesusr.com/ugd/d86e81_2eaca5abd3c54aa08b6dfe98c06f7747.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tubupejevomo/jon_bon_jovi_live_concert.pdfIn PDF document text
  • https://s3.amazonaws.com/runuzitexokol/zuligegaganuwog.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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