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://mafewesoxadix.weebly.com/uploads/1/3/4/6/134697647/7ec104f4a5a.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://dugedepap.ru/123?utm_term=senior+accountant+salary+guide PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4448976/normal_5fd1596ed4b1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499972/normal_6058bb3faf742.pdfIn PDF document text
  • https://mafewesoxadix.weebly.com/uploads/1/3/4/6/134697647/7ec104f4a5a.pdfIn PDF document text
  • https://wejitikokajed.weebly.com/uploads/1/3/4/6/134655746/bubotebusolazobokaxi.pdfIn PDF document text
  • https://gikijeza.weebly.com/uploads/1/3/4/4/134465371/dajuxo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481825/normal_605e1af6e008e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447630/normal_602c33f7545b9.pdfIn PDF document text
  • https://gewedawinun.weebly.com/uploads/1/3/4/7/134745389/lelipabojuvez.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412573/normal_5fce52690d6fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470985/normal_6009b204b27ff.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4414334/normal_60b1e03d79107.pdfIn PDF document text
  • https://folatidaxewurel.weebly.com/uploads/1/3/4/3/134317863/rapaki.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/c0400e87-e913-4b08-a7c1-a225055b52b8/the_content_code_mark_schaefer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a15f907-b09c-49e6-8652-b78eafd9024f/how_to_create_a_90_day_action_plan_template.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3eb9fe6a-689b-418e-a0db-d20478d10642/62443510864.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ada37dd1-80ac-4285-b20b-56e957fd8027/full_tagalog_movies_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27b7d4e5-cdb8-4ef6-a4e7-025adb6e1fb8/45420153000.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15b3b3ab-434c-42a1-853d-03d7ce8ae70c/latest_java_interview_questions_for_5_years_experience.pdfIn PDF document text
  • http://mizelabe.pbworks.com/w/file/fetch/144536508/32817930907.pdfIn PDF document text
  • http://duziruromeja.pbworks.com/f/tere_bin_nahi_jeena_mar_jana_dholna_mp3_download_dj.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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