Malicious PDF — malware analysis report

Heuristics 10

• 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://famimiketavow.weebly.com/uploads/1/3/0/8/130873946/xowopewavirivir_kalanonesaba_mavaluzo_vinojakipoda.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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://jacksth.ru/123?utm_term=aes+education+answers PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4465687/normal_60507ce9940dc.pdfIn PDF document text
  • https://famimiketavow.weebly.com/uploads/1/3/0/8/130873946/xowopewavirivir_kalanonesaba_mavaluzo_vinojakipoda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447270/normal_5fd68048af459.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410194/normal_602711ccf245f.pdfIn PDF document text
  • https://cdn.sqhk.co/mezutowede/jhccDjh/collage_app_uptodown.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371498/normal_6031bd71328c3.pdfIn PDF document text
  • https://cdn.sqhk.co/munuluxel/mbEPhh7/kafoxosove.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406516/normal_6021a4be2379e.pdfIn PDF document text
  • https://rugabefek.weebly.com/uploads/1/3/0/7/130775918/fomamez.pdfIn PDF document text
  • https://cdn.sqhk.co/tisezalave/fJaG8gn/juegos_de_happy_wheels_2010.pdfIn PDF document text
  • https://cdn.sqhk.co/vavefamixivi/NiahatB/army_punjabi_song_mp4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4424632/normal_5fc7e9e72ca91.pdfIn PDF document text
  • https://bajevopado.weebly.com/uploads/1/3/4/4/134456845/karazipijilewabopiv.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/23e3134f-62d1-46d5-b5c3-788aaaf87743/algebra_lineal_grossman_gratis.pdfIn PDF document text
  • https://s3.amazonaws.com/fakuguvil/jaxedowadagomiwewi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/006475b3-16fd-4029-a20a-9cd66461f070/avalon_pellet_stove_insert_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/werowibovezoje/nabh_guidelines_for_50_bedded_hospital.pdfIn PDF document text
  • https://s3.amazonaws.com/xowasosuf/80405797139.pdfIn PDF document text
  • https://s3.amazonaws.com/jajuzasalikirut/my_intex_saltwater_pump_keeps_saying_low_salt.pdfIn PDF document text
  • https://s3.amazonaws.com/poguvelefa/ninamikidirejato.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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