Malicious PDF — malware analysis report

Heuristics 8

• 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://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/4955525.pdf.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://trafffe.ru/wb?keyword=daytona%20international%20speedway%20ticket%20renewal PDF link annotation

  • https://cdn.sqhk.co/xesofosirija/5hjgcgj/doomsday_clicker_mod.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412391/normal_5f9541d2937eb.pdfIn PDF document text
  • https://cdn.sqhk.co/fezemepusap/OopgikU/55321095400.pdfIn PDF document text
  • https://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/4955525.pdfIn PDF document text
  • https://cdn.sqhk.co/xuxovunevo/hFjfjhY/neighbourhood_watch_logo_download.pdfIn PDF document text
  • https://cdn.sqhk.co/duxajoje/hcMicfe/islands_in_the_stream_lyrics_dolly_parton.pdfIn PDF document text
  • https://cdn.sqhk.co/wavoperusina/yHggjhj/74820986837.pdfIn PDF document text
  • https://cdn.sqhk.co/joxutedunik/yugc4wo/infiltrating_the_airship_bios_guide.pdfIn PDF document text
  • https://gokipeko.weebly.com/uploads/1/3/4/3/134351508/2441624.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368767/normal_5fe246fc296c4.pdfIn PDF document text
  • https://gizisojanixagep.weebly.com/uploads/1/3/4/4/134495782/13bb4a7fa18.pdfIn PDF document text
  • https://cdn.sqhk.co/biserodafed/agcnXii/70799864669.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/4d380cb8-83f6-45c6-b2e1-9ca131eb79b1/99261457555.pdfIn PDF document text
  • https://s3.amazonaws.com/jivala/android_imageview_adjustviewbounds_not_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5adb0631-9efe-42ad-95df-2da35269c242/84289510729.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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