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://sumomaduge.weebly.com/uploads/1/3/4/8/134884200/41ed9bc26a85ca5.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://mezovuduw.ru/award?keyword=game+of+life+conway+patterns PDF link annotation

  • https://cdn.sqhk.co/kezulegol/RJPQm11/emergency_ringtones_free_download_telugu.pdfIn PDF document text
  • http://zelaxukixut.iblogger.org/shaandaar_songs_pagalworld.pdfIn PDF document text
  • https://sumomaduge.weebly.com/uploads/1/3/4/8/134884200/41ed9bc26a85ca5.pdfIn PDF document text
  • https://valutakawewa.weebly.com/uploads/1/3/1/3/131378791/bisajijet.pdfIn PDF document text
  • https://cdn.sqhk.co/tiwumixe/JMpghih/house_lannister_family_members.pdfIn PDF document text
  • https://wubepifumemav.weebly.com/uploads/1/3/4/1/134109226/gogena.pdfIn PDF document text
  • https://jolosusopafo.weebly.com/uploads/1/3/4/0/134097145/9741695.pdfIn PDF document text
  • https://cdn.sqhk.co/sesekopusoj/fjjjfsp/exploration_craft_hack_apk_aptoide.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://37bdae34-bb2f-403f-997c-54a7c09d9c06.filesusr.com/ugd/dc98cc_0e3a86ed254d46868251a92bdabc18d3.pdf?index=trueIn PDF document text
  • https://af30af13-e0b7-4de0-aca7-7783c01eade2.filesusr.com/ugd/9757e7_358af94f0ba948308c170168ae3dd8e2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/93d9491f-caf2-4276-a2b9-7ed5c4af582d/barnett_jackal_crossbow_quiver_mount.pdfIn PDF document text
  • https://s3.amazonaws.com/mevuzokekenojab/administracion_financiera_van_horne.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92c984e6-6729-4794-aec7-45779bb319b7/sesarosaxedomin.pdfIn PDF document text
  • https://s3.amazonaws.com/sefukirexuwekij/gukufisabagelijin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb07fd65-a83e-4fac-bb1b-44cd8ebb8f72/mezejiwuxosofoxan.pdfIn PDF document text
  • https://17a6c5a8-0587-4adf-8126-5b439e15a62f.filesusr.com/ugd/54bec1_cb39ba8a85874e9a9bd2fda9b246a1d4.pdf?index=trueIn PDF document text
  • http://monulaw.epizy.com/ariston_water_heater_user_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/serogajugomiji/mujafafamuvige.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f1a3b6f-659e-46ad-87a0-659c3ad175cf/rekurajuse.pdfIn PDF document text
  • http://debumiputun.rf.gd/jodaremasosuwogikegevog.pdfIn PDF document text
  • https://s3.amazonaws.com/firudegix/1755943352.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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