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://jacksth.ru/wix?keyword=acid+factory+unblocked PDF link annotation

  • https://wexetapita.weebly.com/uploads/1/3/4/3/134307875/xujejakunamakazajuda.pdfIn PDF document text
  • https://rorenaziva.weebly.com/uploads/1/3/1/8/131871817/60215dae407.pdfIn PDF document text
  • https://kazowajobizitat.weebly.com/uploads/1/3/0/7/130775795/b879ec3906b2e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499984/normal_601b1e0d25578.pdfIn PDF document text
  • https://vujewixijul.weebly.com/uploads/1/3/1/4/131437312/3fbc2e419e49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392470/normal_5fea28293f60f.pdfIn PDF document text
  • https://gabukoxikala.weebly.com/uploads/1/3/3/9/133997771/lubebebabaruf-borape-tifaworuzurozi-fobovu.pdfIn PDF document text
  • https://kusafulidofet.weebly.com/uploads/1/3/4/0/134017607/dd0408fe0b.pdfIn PDF document text
  • https://takoremitivo.weebly.com/uploads/1/3/0/7/130738963/9678740.pdfIn PDF document text
  • https://dizawiwutap.weebly.com/uploads/1/3/4/6/134629961/jiloluzekimujol-wanewukamu-weluv-pemibuve.pdfIn PDF document text
  • https://womukowewefe.weebly.com/uploads/1/3/4/8/134889771/vadibikagaretagazubi.pdfIn PDF document text
  • https://saxisonowe.weebly.com/uploads/1/3/4/5/134508075/1149050.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375340/normal_600854918a192.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417040/normal_600d9886b78e4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4483587/normal_5fe34582447c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/fadobirak/death_of_the_author_lindsay_ellis.pdfIn PDF document text
  • https://238a82c5-85a8-4641-a991-2f0f5270ddc4.filesusr.com/ugd/63f22d_1b4c36877c9e4d47b412a6c5c5f6f667.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/goneduzum/67090772363.pdfIn PDF document text
  • https://584abdf6-e408-48d3-a53c-4313a8f82471.filesusr.com/ugd/18ee90_46e9cf3f77d34555ab91a81b7656412a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/nemafu/netflix_video_online.pdfIn PDF document text
  • https://b40f07b9-a98f-42b6-a6e2-5dc2c82ebb0e.filesusr.com/ugd/e949ea_8e630650dbef465298079cdb8c62afd4.pdf?index=trueIn PDF document text
  • https://3175e58c-9db9-4d87-bcb9-15e03531d93d.filesusr.com/ugd/c93210_1fcef12d767d4a4b8a2e3819f4100dfc.pdf?index=trueIn PDF document text
  • https://b7af6bb9-01eb-4839-ab56-764651de4344.filesusr.com/ugd/2486b5_920ccba3abc84a008b32284ad5029b72.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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