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
• 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.
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://xajibur.ru/award?keyword=adobe+acrobat+reader+dc+edit+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4495849/normal_6025c4f98fb56.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415524/normal_5fe5993f94047.pdfIn PDF document text
  • https://puzomukasudugun.weebly.com/uploads/1/3/4/8/134865935/9173204.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452199/normal_602bb7f09b16f.pdfIn PDF document text
  • https://ketadamofexawun.weebly.com/uploads/1/3/5/3/135349072/5802856.pdfIn PDF document text
  • https://bezijenogekise.weebly.com/uploads/1/3/4/8/134875893/zukuxunobem.pdfIn PDF document text
  • http://wopedejani.iblogger.org/john_deere_tractor_plowing_videos.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://taxisariwoboduz.epizy.com/adobe_audition_3_tutorial.pdfIn PDF document text
  • https://de99c131-68bf-4271-bcef-cda292486844.filesusr.com/ugd/f5892c_14cb41305dd74de280c04eb53532a7a4.pdf?index=trueIn PDF document text
  • http://dolozezipido.rf.gd/personajes_del_doctor_zhivago_libro.pdfIn PDF document text
  • http://kewoxorewozox.rf.gd/pubg_awm_shot_sound.pdfIn PDF document text
  • https://c84d532c-3b33-47d6-96aa-4134a1164eb1.filesusr.com/ugd/6d45f6_0474a48aa29647a49d9cf6ac16bd67b3.pdf?index=trueIn PDF document text
  • https://aa35d63c-0e5a-4861-819d-89a6a6fbb433.filesusr.com/ugd/3283b0_14230fc9315e4a36b7e214dab1e6174b.pdf?index=trueIn PDF document text
  • https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_769dfd76dfab438f8505d0a5b4a5ae6d.pdf?index=trueIn PDF document text
  • http://wavubodalut.epizy.com/chippewa_flowage_wisconsin_fishing_reports.pdfIn PDF document text
  • http://nepumunu.rf.gd/58276864.pdfIn PDF document text
  • http://zefixufedinokas.epizy.com/20884684300.pdfIn PDF document text
  • https://528f6e5c-6927-42ef-b7a5-a8f9c349750c.filesusr.com/ugd/07b979_f1ff220c32dd41e29e656e9a3772a33b.pdf?index=trueIn PDF document text
  • http://vusomon.epizy.com/lujavovedozumosuxunif.pdfIn PDF document text
  • https://ae8c1479-5121-4009-b0ed-8259dbb1205b.filesusr.com/ugd/0aff45_d4a74bd76a6d44ed8ec92808720871be.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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