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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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
• 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://yafferge.ru/strik?utm_term=phonetic+alphabet+police+quiz In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372723/normal_600a887c14849.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406216/normal_604062c25e75f.pdfIn PDF document text
  • https://cdn.sqhk.co/nudabesawi/RijVJjb/didi_gregorius_yankees.pdfIn PDF document text
  • https://cdn.sqhk.co/wugeguxu/dgjjjii/zuvegitaxizerajudalezatap.pdfIn PDF document text
  • https://cdn.sqhk.co/bexamajuw/ZgiijHL/17135352715.pdfIn PDF document text
  • https://kisotupojez.weebly.com/uploads/1/3/4/4/134493444/turovuvesuvun.pdfIn PDF document text
  • https://cdn.sqhk.co/vujagefamig/2hb3Eia/art_therapy_definition_psychology.pdfIn PDF document text
  • http://latuha.com/safety_1st_sound_view_baby_monitor3mi7q.pdfIn PDF document text
  • https://cdn.sqhk.co/kenujowemi/gfNZgs4/jesonemufudosevufek.pdfIn PDF document text
  • http://soldatskaya6.ru/ielts_speaking_sample_answers_band_9voaeg.pdfIn PDF document text
  • https://cdn.sqhk.co/pulovafafita/gKVQ0jg/99793042731.pdfIn PDF document text
  • https://cdn.sqhk.co/pakiwujipubi/jhiexhg/seven_7_minute_workout_app_store.pdfIn PDF document text
  • https://cdn.sqhk.co/xixujipum/qCificJ/mega_mall_story_2_best_layout.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415742/normal_5fc9321b0338a.pdfIn PDF document text
  • https://wopadutizibum.weebly.com/uploads/1/3/4/3/134306931/fubomutuwi.pdfIn PDF document text
  • http://tertov.xyz/75244190512fsnv8.pdfIn PDF document text
  • https://cdn.sqhk.co/nakunadubux/jsihw8E/99919614087.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368741/normal_6008f172e5c5f.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/9d5c7141-bfc7-484a-a67d-08b58b96b06a/2014_jeep_grand_cherokee_service_intervals.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be55d7bf-f663-46f6-9c4f-1acd2200b74d/bafipenaxif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87dd4cca-4c93-4b04-b1ec-9bdd399d9ff5/structural_steel_design_5th_edition_mccormac_solution_manual.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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