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://wotuvinuvokotar.weebly.com/uploads/1/3/5/3/135330473/jesisigopoliv.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://seumenha.ru/strik?utm_term=once+more+to+the+lake+e.b.+white+audio PDF link annotation

  • https://cdn.sqhk.co/kulukopupiw/giNjflH/bixezukedixajojubosilutog.pdfIn PDF document text
  • https://wotuvinuvokotar.weebly.com/uploads/1/3/5/3/135330473/jesisigopoliv.pdfIn PDF document text
  • https://cdn.sqhk.co/gizoxemovefi/Esjhhdu/business_process_management_examples_ppt.pdfIn PDF document text
  • https://xufizuwerab.weebly.com/uploads/1/3/0/7/130738786/bomijurenenoj_dolazow_pamavat_jewozoxox.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389568/normal_60261e2e49995.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425224/normal_602c004e99a12.pdfIn PDF document text
  • http://bonus332.site/nabepeknvfg.pdfIn PDF document text
  • https://cdn.sqhk.co/vuritukupus/1bVoW8n/32854506089.pdfIn PDF document text
  • https://cdn.sqhk.co/rifarako/zjctihU/xasaxalupibeteputos.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499999/normal_5fcd12b01a908.pdfIn PDF document text
  • https://dubilovatigalis.weebly.com/uploads/1/3/4/7/134701517/julipuporujuf.pdfIn PDF document text
  • https://cdn.sqhk.co/tovisegag/FjdjhkV/clumsy_ninja_mod_apk_free_shopping.pdfIn PDF document text
  • https://cdn.sqhk.co/nuvurero/jcnjeuN/free_download_volume_booster_for_windows_7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374021/normal_6000451060fad.pdfIn PDF document text
  • https://cdn.sqhk.co/jesovolavig/fhhjdf7/can_you_escape_the_room_6_level_7.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/senodiw/exercise_stress_test_report.pdfIn PDF document text
  • https://s3.amazonaws.com/bajuse/33566497333.pdfIn PDF document text
  • https://s3.amazonaws.com/nitizobuv/myeg_helpdesk_report.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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