Malicious PDF — malware analysis report

Heuristics 7

• 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://rezomiwutamanap.weebly.com/uploads/1/3/4/3/134362688/paropubab.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.
• 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://irlanc.ru/pbw?utm_term=what+is+a+text+mail.subscriber PDF link annotation

  • https://rezomiwutamanap.weebly.com/uploads/1/3/4/3/134362688/paropubab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417222/normal_600c9efe1feb7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495393/normal_604b668c128c6.pdfIn PDF document text
  • https://kikeletiwemuk.weebly.com/uploads/1/3/4/6/134671512/fd84a948a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447646/normal_6012116cd1598.pdfIn PDF document text
  • https://fiwibafufo.weebly.com/uploads/1/3/0/7/130774969/3062034.pdfIn PDF document text
  • https://pukukadusese.weebly.com/uploads/1/3/4/6/134666137/9834646.pdfIn PDF document text
  • https://daxakowov.weebly.com/uploads/1/3/4/7/134704390/3f39c52d7d47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374364/normal_60343e3d9d1b2.pdfIn PDF document text
  • https://zizusufake.weebly.com/uploads/1/3/4/6/134646877/xiwaxadeviju_mowukuti_jibemaxagow_fujose.pdfIn PDF document text
  • https://sofakixejiz.weebly.com/uploads/1/3/4/2/134265497/ketup_pixevosaxoj_nabowid.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366035/normal_60618c0589b80.pdfIn PDF document text
  • https://modagifamu.weebly.com/uploads/1/3/5/3/135341464/silafoneduguvofav.pdfIn PDF document text
  • https://dafemiperufukoz.weebly.com/uploads/1/3/1/3/131379503/litumaso.pdfIn PDF document text
  • https://rimedugomo.weebly.com/uploads/1/3/0/7/130740195/6265582.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/dee21dd1-df40-40b7-8f41-b9b32712ca14/how_to_change_the_battery_in_a_timex_expedition_indiglo_watch.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4756e4a6-a005-47b2-a550-212b9b634f97/colley_vector_calculus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ded28d25-3de2-40aa-bea6-7f7b2cd9946c/wildgame_innovations_deer_feeder_problems.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3798a686-a8e3-4c6e-abaa-9fd273c277cb/gijupunajujaru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5301a7dd-44e6-4f46-b208-d6addc813fa1/how_to_make_a_banana_smoothie_without_yogurt_or_honey.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fe39b93-a74b-473b-b5bd-66271c36d82c/us_army_reserve_retirement_pay_scale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbd67cd2-0c03-4c58-97ff-4f59d46fabd4/dakebasenomedilawazaz.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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