Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ponafet.ru/award?keyword=o+reilly+python+cookbook+pdf PDF link annotation

  • https://pulapiselipatux.weebly.com/uploads/1/3/1/3/131378970/tupesovetobipo.pdfIn PDF document text
  • https://babanude.weebly.com/uploads/1/3/4/0/134017813/8b77c.pdfIn PDF document text
  • https://naxomusiji.weebly.com/uploads/1/3/1/6/131606859/jobajoveralagu.pdfIn PDF document text
  • https://mudepazenanaj.weebly.com/uploads/1/3/4/7/134765609/52f56b025773e4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/dea6befb-6632-4322-814d-4d2306fa6e37/what_does_the_mockingjay_pin_mean.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f70f0793-6896-459d-a3f7-d30e3a5e6343/hp_designjet_500_firmware_update_windows_10.pdfIn PDF document text
  • https://s3.amazonaws.com/sixolose/lista_de_verbos_regulares_en_espaol_ar_er_ir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ba443ad-3d3b-41be-babf-f35719eafe28/what_machines_does_planet_fitness_use.pdfIn PDF document text
  • https://s3.amazonaws.com/fajonubinomeder/infosys_aptitude_questions_and_answers.pdfIn PDF document text
  • https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_ab9ed75824274d0e9eee08b29e5227e5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/47a4336b-46fa-4a21-9361-34808d0054e9/thinkscript_addlabel_color.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2fc9996-9f1c-41bf-9e20-3c5b3a2a8a32/himno_nacional_mexicano_letra_completa_4_estrofas.pdfIn PDF document text
  • https://s3.amazonaws.com/nilafafakem/buscar_un_iphone_desde_android.pdfIn PDF document text
  • https://6ddb26ad-aa8e-4a3e-a925-5cef6fc035e1.filesusr.com/ugd/d3d820_1ddf37dddcff404f9f60f6121a525f7f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vuterijoze/59789967942.pdfIn PDF document text
  • https://s3.amazonaws.com/fopalew/hemangioma_liver_guidelines.pdfIn PDF document text
  • https://7e079b21-6cfc-4bbc-a8af-001f4930a7f2.filesusr.com/ugd/f66805_add3ec595c834fac812f5131e976dd35.pdf?index=trueIn PDF document text
  • https://55f5e71c-5f54-469f-9449-301c43944234.filesusr.com/ugd/bbdb65_015162f5d3bb444591699a702daa2833.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8af51c7a-041c-43f7-be59-2a017f34345e/como_hacer_una_corona_de_adviento_para_nios.pdfIn PDF document text
  • https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_b7a3893afeb14b87b783517423ef7060.pdf?index=trueIn PDF document text
  • https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_d0dd8730c4cc47a39607f9c2ace80945.pdf?index=trueIn PDF document text
  • https://9fb0fece-6c2a-4f8b-8ff1-5d9ea67f5ee7.filesusr.com/ugd/f6a907_33b418686cb34074aea6d180c35a82f0.pdf?index=trueIn 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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