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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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=harrison+bergeron+kurt+vonnegut+plot PDF link annotation

  • http://nadipewin.mywebcommunity.org/aprender_a_dibujar_paso_a_paso.pdfIn PDF document text
  • https://cdn.sqhk.co/fuwufupi/BJyoIji/orange_tree_leaves_turning_yellow_and_curling.pdfIn PDF document text
  • https://cdn.sqhk.co/rosivapixove/XcDhaog/28811906165.pdfIn PDF document text
  • http://rixerudawane.iblogger.org/dusuzemovajilar.pdfIn PDF document text
  • https://nevomunetis.weebly.com/uploads/1/3/0/7/130740414/5207735.pdfIn PDF document text
  • https://cdn.sqhk.co/movozuba/hehagjX/kedudunane.pdfIn PDF document text
  • http://xesesevatep.22web.org/20911742963.pdfIn PDF document text
  • http://rotixumuzu.22web.org/37500026511.pdfIn PDF document text
  • https://tisalupiruj.weebly.com/uploads/1/3/4/0/134018152/ff111d4b240ae.pdfIn PDF document text
  • https://malufatagu.weebly.com/uploads/1/3/0/8/130874424/2493412.pdfIn PDF document text
  • http://baderezu.scienceontheweb.net/89494390981.pdfIn PDF document text
  • https://cdn.sqhk.co/dufubimaru/gi2gdVf/internet_speed_meter_lite_apk_free_download.pdfIn PDF document text
  • https://cdn.sqhk.co/lilaxikixo/c8PsNZP/nuniguledefilobivu.pdfIn PDF document text
  • https://cdn.sqhk.co/rosivapixove/XcDhaog/2881190In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f41f0be-4f07-4acd-a167-d083e558e086/how_do_you_do_the_country_two_step_dance.pdfIn PDF document text
  • http://zevesijuduma.atwebpages.com/health_and_safety_officer_salary_ontario.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5ef71d3-62da-4aff-9d70-18ff0840ac85/shop-vac_14-gallon_wet_dry_pump_vacuum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/259ceb3e-bdf8-462e-953b-21e4b593fc64/from_caligari_to_hitler.pdfIn macro / runtime command snippet
  • https://uploads.strikinglycdn.com/files/11212c7c-163f-4e32-a0b1-abee72266809/warcraft_3_reign_of_chaos_patch_1.27a.pdfIn PDF document text
  • http://sumolusekoximu.rf.gd/company_profile_template_south_africa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/438867d7-3406-4aab-a6dc-387f148cd6bd/65968151057.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b77d1806-6c32-4936-912d-0de0e475e860/25725255928.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9b1f63c-af22-4efe-a415-f100aa0951c0/77058219221.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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