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.
• 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://lozatovetifeg.weebly.com/uploads/1/3/3/9/133999134/zuxan.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://zajinet.ru/wix?keyword=gems+for+clash+of+clans+apk PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4465702/normal_5ff1f4126d8d2.pdfIn PDF document text
  • https://lozatovetifeg.weebly.com/uploads/1/3/3/9/133999134/zuxan.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450728/normal_5ff0913a627c9.pdfIn PDF document text
  • https://cdn.sqhk.co/waxusuxagaki/hcJicgg/offline_music_apps_for_ipad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_605bb42c835e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375890/normal_603725e642db3.pdfIn PDF document text
  • https://cdn.sqhk.co/segenoliz/kgiaoAO/lulinure.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369802/normal_601a4fded80c5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4419415/normal_5fc84bd118e6c.pdfIn PDF document text
  • https://pojewesam.weebly.com/uploads/1/3/1/4/131410485/tujutawa.pdfIn PDF document text
  • https://rakovarirol.weebly.com/uploads/1/3/4/4/134458111/taguminomaguzojenato.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/bbe40eb7-68ed-48da-998c-e977808ef1f1/mr_coffee_ecmp50.pdfIn PDF document text
  • https://c2267750-1f6d-4c2f-944a-eb302c7f07d7.filesusr.com/ugd/93971e_2f3a0624ee9e47e5b59c3ae6b5728b97.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c15bb09c-6d7c-4f1c-a3a8-1db034f1dac4/12684191852.pdfIn PDF document text
  • https://5c9c3928-af7d-4195-9e43-9647d7263c15.filesusr.com/ugd/508998_4885f0e6714c40638097cb60c82e06e9.pdf?index=trueIn PDF document text
  • https://47e244ab-6b1f-4ae7-97e8-86de5b619f9f.filesusr.com/ugd/e1d12c_cb632585295f47fda4788638012e217e.pdf?index=trueIn PDF document text
  • https://91ca87c2-c493-4616-adaa-fbcec45394e1.filesusr.com/ugd/6116da_d5e3cfb6369b4923ac01830d758563e8.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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