Malicious PDF — malware analysis report

Heuristics 8

• 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://zeduxuvanoripi.weebly.com/uploads/1/3/0/7/130775880/potegela_gukikexuzudofew_suvixut_mumag.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.
• 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) 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://bologen.ru/strik?utm_term=how+do+i+talk+to+a+live+person+at+twc PDF link annotation

  • https://zeduxuvanoripi.weebly.com/uploads/1/3/0/7/130775880/potegela_gukikexuzudofew_suvixut_mumag.pdfIn PDF document text
  • https://wugemevafiditi.weebly.com/uploads/1/3/4/3/134382928/bunemobozugojix.pdfIn PDF document text
  • http://sikazigazes.mypressonline.com/fujololijapu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369776/normal_5ffd995026a08.pdfIn PDF document text
  • https://jenazikefu.weebly.com/uploads/1/3/4/0/134017187/177f66b506f7a.pdfIn PDF document text
  • http://xodaxedepapopox.mygamesonline.org/aire_d_un_triangle_rectangle.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470972/normal_5feaee372bceb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384836/normal_602f398af3fef.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4407777/normal_5fc74606cc6f1.pdfIn PDF document text
  • https://puvugopusu.weebly.com/uploads/1/3/2/7/132711965/kibinob-latozuxopudux-raveduvep-napawox.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_7a1fa75ddba64b879b0b99574c146d6a.pdf?index=trueIn PDF document text
  • https://ff4d9611-e7ea-45f2-85d3-f0b464ef817f.filesusr.com/ugd/48f461_d941b44543dc4bc0890635ef3200eee3.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2507ef10-8945-4faa-ac9e-543b2e72182d/wakobaxijewusiteno.pdfIn PDF document text
  • http://nukivamo.myartsonline.com/jaribedemaromivefejid.pdfIn PDF document text
  • http://taroveruwidiba.onlinewebshop.net/34369681745.pdfIn PDF document text
  • https://3cde87c3-25ab-478b-b58d-ba072f1c7540.filesusr.com/ugd/255d97_81b33590e87b4fed92e81c9ef1f0061b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3da34b57-52d8-4156-9d8f-794dcff157bf/81168963882.pdfIn PDF document text
  • http://jatoxat.atwebpages.com/ford_6.0_diesel_oil_filter.pdfIn PDF document text
  • https://eee7329a-c4d5-4508-a8fd-a8ba515f7d9f.filesusr.com/ugd/5ed802_47428a67b7034767bd39058c0afc9d6c.pdf?index=trueIn PDF document text
  • https://0cc2a7d0-6f33-4335-9ec9-554d9418487e.filesusr.com/ugd/cb4a18_c61afb280eb6407d803049462ada1bc1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a522a14a-3da2-4456-a222-460829299df1/que_es_las_purinas_y_las_pirimidinas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11826a0e-dbcb-4f4a-87dd-2dbc95d8d98f/call_of_duty_cold_war_pc_key.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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