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://jottigo.ru/strik?utm_term=exercices+corrig%25C3%25A9s+maths+3%25C3%25A8me+pdf+calcul+litt%25C3%25A9ral PDF link annotation

  • https://vizosajigu.weebly.com/uploads/1/3/1/3/131381839/ziwekunogagij_kogozozeda_vufurofur.pdfIn PDF document text
  • https://razesune.weebly.com/uploads/1/3/3/9/133986972/9776484.pdfIn PDF document text
  • https://notefusiwedamap.weebly.com/uploads/1/3/4/8/134872173/xopow-reruzetefovob-ribimafifafil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4492278/normal_606e6ebc9c154.pdfIn PDF document text
  • https://komovifewujip.weebly.com/uploads/1/3/4/8/134895136/6845493.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465539/normal_6023d9bff396d.pdfIn PDF document text
  • https://lexigeme.weebly.com/uploads/1/3/4/5/134524735/11242b24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4467571/normal_606ab3102f587.pdfIn PDF document text
  • https://lezojefob.weebly.com/uploads/1/3/5/3/135319065/90b45.pdfIn PDF document text
  • https://fukuzemuk.weebly.com/uploads/1/3/5/3/135306557/barezinipuj.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/7e00e200-b6f6-477a-b817-459cc2929d37/jovuvivixub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50d18749-9073-4670-8e59-337665036c17/84257376647.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99dcd590-8a6f-4956-82ff-0e68c7daf694/how_to_use_oil_in_an_air_fryer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9021bb53-b5fd-42ea-af55-4790ef2942fd/kesakozewukidufew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c5ff1e0-cdbf-478e-8b62-ed9a5f2b9a03/bixofirejunopu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3feee1a8-27c9-4be1-96cb-3fec7bb6123f/31342266171.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d6cc5b1-9f41-4c93-af66-b707cdb73baa/descargar_biblia_textual_4ta_edicion_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00d74511-710f-4b19-b57d-19ad772eb571/how_to_mix_igf-1_lr3_with_acetic_acid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3f629d1-c5e4-48be-8309-de4e99a1b63d/who_was_warning_the_us_about_when_he_gave_his_iron_curtain_speech.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ee8e17b-2242-4c75-bf8e-967785a57f5d/fazija.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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