Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://morogixifidogaj.weebly.com/uploads/1/3/4/4/134497599/musone_misapez.pdf.
• 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://dafemum.ru/123?utm_term=biometric+device+for+android+mobile PDF link annotation

  • https://morogixifidogaj.weebly.com/uploads/1/3/4/4/134497599/musone_misapez.pdfIn PDF document text
  • https://kumazapo.weebly.com/uploads/1/3/2/7/132710765/sefegoza.pdfIn PDF document text
  • http://butalinonoruma.scienceontheweb.net/45379751244.pdfIn PDF document text
  • http://xasowokudat.medianewsonline.com/kulutirapumixevomixo.pdfIn PDF document text
  • https://revixapega.weebly.com/uploads/1/3/4/6/134619396/5545738.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496146/normal_605f93d8121fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447663/normal_5feaebad95eb2.pdfIn PDF document text
  • https://putusura.weebly.com/uploads/1/3/1/6/131606782/8412767.pdfIn PDF document text
  • http://duzegipim.22web.org/aparato_digestivo_organos_y_funciones.pdfIn PDF document text
  • https://mosevulex.weebly.com/uploads/1/3/4/8/134860143/sisasuviwez.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465396/normal_6056592e9b4ea.pdfIn PDF document text
  • http://kerosijuvibeg.scienceontheweb.net/also_sprach_zarathustra_piano.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379476/normal_5ff248ccc69ed.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/2d81634f-7962-40db-a131-5b6ac455b2fd/all_toefl_essays.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c5b4402-45be-4c56-a433-0eb349242e05/italian_to_english_translation_exercises.pdfIn PDF document text
  • https://d6b7b3c7-8429-4d82-9d75-5d5d09e763cc.filesusr.com/ugd/a8c229_14385f2f6f67488ebb89b31625b9f263.pdf?index=trueIn PDF document text
  • https://f9c380c0-3c9a-404e-8c76-a924832b335c.filesusr.com/ugd/9c8fb9_3ec11f64fca343e4897c0d67899aae95.pdf?index=trueIn PDF document text
  • http://radiviwix.onlinewebshop.net/monster_korean_movie_2014_cast.pdfIn PDF document text
  • https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_4a35cde58de34498b60736df3971fe0c.pdf?index=trueIn PDF document text
  • http://rinimodosejowuf.myartsonline.com/bamovogixa.pdfIn PDF document text
  • http://xuzupazona.epizy.com/lupagatokofe.pdfIn PDF document text
  • http://tomowuteraj.epizy.com/chromosome_structure_and_function_download.pdfIn PDF document text
  • http://jodelafi.rf.gd/asma_pediatria_gina.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61635c51-be80-4cef-82f2-e42c0135765b/zojuvininiju.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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