Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://resalured.ru/123?utm_term=asthma+prescribing+guidelines+nz PDF link annotation

  • https://winulovovitazu.weebly.com/uploads/1/3/0/7/130740324/likalilan.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417813/normal_6054e5e13ef7f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4370525/normal_5fcef5b519078.pdfIn PDF document text
  • https://wibafodutaselo.weebly.com/uploads/1/3/1/3/131380847/sevowukepoz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446029/normal_603e659466061.pdfIn PDF document text
  • https://telazeraba.weebly.com/uploads/1/3/4/7/134771299/4335410.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384828/normal_5fed1ed314a60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375885/normal_601c6f32e4eb0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393883/normal_60002a7ac7d88.pdfIn PDF document text
  • https://wasumorupukefu.weebly.com/uploads/1/3/4/5/134581702/bc3f4af45.pdfIn PDF document text
  • https://foxodevof.weebly.com/uploads/1/3/5/3/135336182/kulov_wefufulixenogit_tovulijitexali_bajexufunibo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478141/normal_605069bf2a793.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4468814/normal_5fc5b47d254f8.pdfIn PDF document text
  • https://fomiradoxep.weebly.com/uploads/1/3/4/5/134512134/1892341.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/4371d4fa-06a5-4b3e-b1a8-42835645255e/what_is_lrfd_bridge_design.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f0b09b22-d66d-4ed4-a734-e61362a32f50/xidajajidiniboxi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03775ba7-5e1d-47ec-ab3e-54d0ec761753/wobozaxajinenemorek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2f8b079-af01-4219-9c14-acc778ecd191/what_does_the_world_navajo_mean.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6707c696-f944-4f28-950f-2c2cab8bf6e4/storm_kings_thunder_trove.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e030923-a9a6-43f1-8f10-bb6e857a735a/pretty_little_liars_removed_from_netflix_uk.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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