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://kuzutuzo.ru/strik?utm_term=arduino+code+examples+pdf PDF link annotation

  • https://cdn.sqhk.co/tibapopedeka/iiBgjja/87612352139.pdfIn PDF document text
  • https://cdn.sqhk.co/gixedomawa/IGjdthi/23746222452.pdfIn PDF document text
  • https://cdn.sqhk.co/riketumes/OJcifig/xtreme_jet_ski.pdfIn PDF document text
  • https://cdn.sqhk.co/pavujakorige/ija7pgf/80316867039.pdfIn PDF document text
  • https://cdn.sqhk.co/remimidotomi/jih1Cgg/rotuzusixi.pdfIn PDF document text
  • https://cdn.sqhk.co/dekaroku/dhifjgO/clipless_mountain_bike_shoes_for_wide_feet.pdfIn PDF document text
  • https://cdn.sqhk.co/baxijaxazixi/ijQjgii/the_cw_seed_app_apk_download.pdfIn PDF document text
  • https://cdn.sqhk.co/tamejenonisi/uoT9yjg/fanatics_sports_apparel_shopping.pdfIn PDF document text
  • https://cdn.sqhk.co/fagevibe/agghIif/brave_browser_free_for_android.pdfIn macro / runtime command snippet
  • http://feporerapupanun.iblogger.org/8926658799.pdfIn PDF document text
  • https://cdn.sqhk.co/rorezina/jh8geTn/9070911755.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://878ee1be-828d-48b9-a24a-84283cf66a1c.filesusr.com/ugd/86936c_0e25612a20174355b5e6db8eb6cc7804.pdf?index=trueIn PDF document text
  • https://22e365c6-0853-42e1-82f8-83473bf9c0bf.filesusr.com/ugd/217d68_3771467e30d4450f9aaac0b33ca725f6.pdf?index=trueIn PDF document text
  • http://worazuwimitital.epizy.com/ap_calculus_derivatives_test.pdfIn PDF document text
  • http://nerozufigepa.rf.gd/najepewuguw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c323b964-0c11-45eb-8a9f-5fc8bfc1dddf/mozirunafaxofukutab.pdfIn PDF document text
  • https://73856814-13bb-4d44-aeaf-752cce6ba6bd.filesusr.com/ugd/a0d21a_fbca37ba7e274171b1ba00487d726c28.pdf?index=trueIn PDF document text
  • https://6d23287f-a15b-43b7-8d69-700c0e01f504.filesusr.com/ugd/185c00_adbe578ad60b4057b637daccf2da247b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/adf69152-87bb-4c2c-8a34-821352349e11/5_day_fast_mimicking_diet_plan.pdfIn PDF document text
  • http://xipitidip.epizy.com/risupumajopemefoz.pdfIn PDF document text
  • http://poradenojipedu.rf.gd/oh_saki_saki_song_bestwap.pdfIn PDF document text
  • http://pufovipejofag.epizy.com/construction_of_recirculating_aquaculture_system.pdfIn PDF document text
  • http://rodigosixe.rf.gd/rasebagufobojakoxevul.pdfIn PDF document text
  • http://zeluzara.epizy.com/cbse_class_11_physics_textbook_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bac26391-812f-4f3b-beef-d5870cdffdb7/fix_boot_cmd_access_denied.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d29da8ac-3a39-4215-98fc-ea490db87768/how_to_help_an_autism_child_in_the_classroom.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
  • https://uploads.strikinglycdn.com/fileIn macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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