Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://crophysi.ru/award?keyword=pdf+acrobat+reader+download+softonic In PDF document text

  • https://cdn-cms.f-static.net/uploads/4453908/normal_603998622421e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413112/normal_6026294d2825c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477873/normal_5ffbb20386607.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/18c9dd8f-085b-4813-bf8d-f58af887797c/can_i_charge_ps3_controller_with_phone_charger.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6959f4a-c24c-4789-af40-cd70d766dd72/tuzubeminarisinudirazan.pdfIn PDF document text
  • https://s3.amazonaws.com/patotale/annexure_format_for_job_work.pdfIn PDF document text
  • https://858e1da1-ad31-4e5b-aec0-89c59c6c71f6.filesusr.com/ugd/6240f8_ad4b95f1251e408f8b7227e4e36f6a81.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tipikaxe/nipifewurasilebaforu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25866834-2ed1-4c7d-897e-ba1e9a72105f/3817120906.pdfIn PDF document text
  • https://s3.amazonaws.com/luworizesupox/lawowezakonirik.pdfIn PDF document text
  • https://849cba27-c1c2-4801-a47f-514a08c45c3c.filesusr.com/ugd/7f7a2c_5ffa9a8945be4c218df5a1ccd9f2ea42.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lixisariwulo/kernel32._dll_windows_xp_free.pdfIn PDF document text
  • https://s3.amazonaws.com/lorifumofelu/45826780482.pdfIn PDF document text
  • https://s3.amazonaws.com/bidivo/kexelozufoza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa0c79c2-eb61-46bd-9109-69898c95594e/why_can_you_not_tumble_dry_some_clothes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1dfcc241-5d03-453a-bf84-3cb4b2b9d70b/soapui_tutorial_for_api_testing.pdfIn PDF document text
  • https://fbaba6ab-37cf-477f-82bd-e10a416eccda.filesusr.com/ugd/3c8574_ac998156bc5740789be4eff286eb3b71.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/62884eb2-72d0-4ace-a781-47e47613eb00/how_to_grease_locking_hubs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b299cd28-f45d-4a58-bae2-6c5aba8436f5/82692231986.pdfIn PDF document text
  • https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_f1fdde391ae646c18439766fc66f7de7.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/jawusawar/can_i_get_metal_gear_solid_4_on_ps4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c699525b-7534-4b90-830e-b67035264d1c/how_much_does_a_ps_vita_cost_in_2020.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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