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.
• 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
• 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://nipisod.ru/wix?keyword=delta+math+answers+writing+equations+of+lines PDF link annotation

  • https://xopozutafedas.weebly.com/uploads/1/3/1/4/131453480/dotib_vezed_benerelawej_javenebaxe.pdfIn PDF document text
  • http://springwin.space/kylo_nifi_templatesysjbs.pdfIn PDF document text
  • http://naturaleone.space/18386769780ryq0l.pdfIn PDF document text
  • http://pegujanixur.22web.org/63657912839.pdfIn PDF document text
  • http://vukizupejudula.22web.org/chemistry_in_everyday_life_class_12_ncert_solutions.pdfIn PDF document text
  • https://metuwudoguwo.weebly.com/uploads/1/3/5/3/135323448/1228535.pdfIn PDF document text
  • http://edevletorg.com/thinking_with_type_ellen_lupton_downloadsfzf6.pdfIn PDF document text
  • https://wawenefawopi.weebly.com/uploads/1/3/4/4/134494228/baferedoxowi.pdfIn PDF document text
  • https://wobapuzufisuro.weebly.com/uploads/1/3/4/0/134042344/e4e13d5db.pdfIn PDF document text
  • http://sadovik.me/brazoria_county_clerk_dba_formm0z7f.pdfIn PDF document text
  • https://niraniki.weebly.com/uploads/1/3/4/6/134662237/4623130.pdfIn PDF document text
  • http://logoped-samara.ru/steps_in_agrobacterium_mediated_transformationzn960.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://jibimom.myartsonline.com/characteristics_of_a_good_project_manager.pdfIn PDF document text
  • http://futakanawus.onlinewebshop.net/abnormal_psychology_barlow_free_download.pdfIn PDF document text
  • https://8c1dc56a-a131-4b43-acff-3635b9115217.filesusr.com/ugd/90423f_d3d72ad4937a42e9965db7d0acd5b8c7.pdf?index=trueIn PDF document text
  • http://gamelaluwer.myartsonline.com/actual_ring_size_guide.pdfIn PDF document text
  • https://b4095e1f-5e43-4c35-8b28-ff0c3185c247.filesusr.com/ugd/9cc3de_4059cc33e9164020b9acb7c066c64ff0.pdf?index=trueIn PDF document text
  • http://kakarares.epizy.com/nelson_math_textbook_answers_grade_5.pdfIn PDF document text
  • https://47e244ab-6b1f-4ae7-97e8-86de5b619f9f.filesusr.com/ugd/e1d12c_0b74ae1553a043bfa8c662549a52f872.pdf?index=trueIn PDF document text
  • http://rirafibokiraj.rf.gd/irregular_plural_nouns_worksheet_for_grade_3.pdfIn PDF document text
  • https://57933e30-1e86-4cbe-ad2b-777cb72f9932.filesusr.com/ugd/235f1a_cad210aaa67a4182b043a4bddad5ffc9.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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