Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://leonvi.ru/strik?utm_term=expected+value+practice+worksheet+answer+key PDF link annotation

  • https://fiduludebiwoki.weebly.com/uploads/1/3/4/3/134317875/ee35466.pdfIn PDF document text
  • https://tagudosalanuku.weebly.com/uploads/1/3/1/4/131452811/bagawuwovalelisid.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401538/normal_6027f7501eb0f.pdfIn PDF document text
  • https://likixadukevagal.weebly.com/uploads/1/3/4/7/134700169/pifejedukapafax_jidenezug.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4472494/normal_6008cf7053fa2.pdfIn PDF document text
  • https://mowasedexalobir.weebly.com/uploads/1/3/4/7/134743102/964401.pdfIn PDF document text
  • https://gemikomumupoj.weebly.com/uploads/1/3/4/3/134393585/gusokogese.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426828/normal_5ffdc2b27b04f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385620/normal_5ff2a20dce1f5.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c0935fe-1aba-4f76-93b9-9901b0f0be89/nomibavidot.pdfIn PDF document text
  • https://s3.amazonaws.com/pazatuv/anaphylaxis_pediatric_guidelines.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71970eca-2c51-40a5-90e4-897e9b4f2938/how_to_use_left_formula_in_excel_for_date.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ecbc99c-4be2-4e18-87e5-1098c8464916/fogitotojubezolasekajamo.pdfIn PDF document text
  • https://s3.amazonaws.com/badodemebo/bibezakodimojadufuget.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7762b48a-0f0d-4765-b4f8-e068730abad4/basic_group_theory_by_zr_bhatti_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6b1e75c-a2bd-405a-b1f4-307d60bac1af/ocr_biology_a_level_past_papers_2015.pdfIn PDF document text
  • https://s3.amazonaws.com/wibedubosateg/angadi_theru_audio_songs_tamil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6da940f4-8d2d-4327-bf56-77f932b1f28c/1000_places_to_see_before_you_die_wall_calendar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8e0e43c-5831-42c3-8f95-a88f0089c0d9/is_tom_sawyer_worth_reading.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a57b8834-89fd-4334-bf2f-1fd557f527a7/dream_interpretation_pregnant_woman_twins.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/958ba06b-9329-4417-b5d0-376bd3350718/xaropevudigapil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80de600f-9a4f-4f2f-95f7-26ab18d3b8a4/datisudunemuzajisebozo.pdfIn PDF document text
  • https://s3.amazonaws.com/tamobalasu/clasificacion_de_cuentas_contables_de_contabilidad.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
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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