Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gimoguvi.ru/award?keyword=callouts+for+lspdfr PDF link annotation

  • https://nurosizakudagag.weebly.com/uploads/1/3/4/6/134699554/wekoduba_tedixuxazufetus_xemoz.pdfIn PDF document text
  • https://tejukikefuxod.weebly.com/uploads/1/3/4/7/134703803/rotinasetu.pdfIn macro / runtime command snippet
  • http://cg-designer.xyz/ygdrasil_jorge_baradit_gratis5tri2.pdfIn PDF document text
  • https://nuniladolu.weebly.com/uploads/1/3/0/7/130775245/0b477816.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373782/normal_5fd94a49d07b2.pdfIn PDF document text
  • http://nutetuxiv.mygamesonline.org/central_park_5_interrogation_techniques.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420588/normal_60017c4624655.pdfIn PDF document text
  • http://netlysy.online/accutire_ms-4021b_accurate_tire_pressure_gauge_digitalg3nu2.pdfIn PDF document text
  • http://jirusulixozome.scienceontheweb.net/bill_of_exchange_notes.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4483602/normal_5ff18769a5fa3.pdfIn PDF document text
  • https://nurosizakudagag.weebly.com/uploaIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/cf16d4a7-9470-4c1f-bfe9-473e411e3cbd/windows_10_cmd_commands_cd.pdfIn PDF document text
  • http://tatesit.myartsonline.com/psychology_class_11_ncert_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d619e2d-c6b9-4302-94dd-70bd8f4aece1/statistics_principles_and_methods_7th_edition_solutions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdffa340-950b-43cf-806c-3ca6060389f1/47828283540.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73f5b5df-312b-49b6-9a3d-a3987a6c491b/21497966478.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b17abb2-dad9-4623-a4fd-0063312723e0/hunter_douglas_powerrise_remote_control_2_channel.pdfIn PDF document text
  • http://kisalonokexiwi.atwebpages.com/le_bourgeois_gentilhomme_rsum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3e19e61-0b4b-4135-8f47-de1e7fe471ea/a_geek_in_japan_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c3db743-2ef8-4c94-8ed4-dd47571ee083/how_to_clean_uppababy_vista_rumble_seat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb4f532a-86ad-4e2a-8b14-464d6047c108/how_do_you_connect_a_countertop_dishwasher.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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