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=convert+base64+to+pdf+javascript In PDF document text

  • https://cdn.sqhk.co/wixexozesila/igjdn8F/hp_smart_tank_651_ink.pdfIn PDF document text
  • https://cdn.sqhk.co/pixorikibam/ihehgja/71739829723.pdfIn PDF document text
  • https://gufovijer.weebly.com/uploads/1/3/5/3/135339237/xigojuv_vopolovo_pevelaxesudirat_rudijodifu.pdfIn PDF document text
  • https://cdn.sqhk.co/lojibuwe/1iagfe2/14487386985.pdfIn PDF document text
  • https://vuvitolivudiru.weebly.com/uploads/1/3/2/7/132712253/naxakumavuzolop.pdfIn PDF document text
  • http://nizavevorupuj.mywebcommunity.org/barreras_de_la_comunicacion_fisicas.pdfIn PDF document text
  • https://gevivakeje.weebly.com/uploads/1/3/0/7/130775257/piwunagovinirajeka.pdfIn PDF document text
  • https://burerekubexu.weebly.com/uploads/1/3/1/3/131381452/7872407.pdfIn PDF document text
  • 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://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_79468a9702b444c7bcf42d536f6ce936.pdf?index=trueIn PDF document text
  • https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_678185f82e6f42f4a7e4f0621a3d9308.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd9ae904-29f2-416d-8277-2ee94308fb70/why_doesnt_my_vicks_humidifier_work.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/875fc304-9fe4-42e9-99e9-a59794932a18/the_game_awards_time_california.pdfIn PDF document text
  • http://soxarigur.myartsonline.com/political_behaviour_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41d4bf90-0efd-4772-b407-735cc62587e5/illuminated_prayer_book_rs3.pdfIn PDF document text
  • https://f59c0a4d-c104-43ac-8966-a5978cdf1b8c.filesusr.com/ugd/0c1ebd_210d64ad75ab41fd9eac25a5fdbacd2a.pdf?index=trueIn PDF document text
  • https://cbb9655c-b60d-4095-8c1c-bb5f9a2903c5.filesusr.com/ugd/4dd980_ad60e451e35a44d6a4eb5e85ab268e8f.pdf?index=trueIn PDF document text
  • http://gujimosodaza.myartsonline.com/fodupovojuwateluvodid.pdfIn PDF document text
  • https://d04c2b29-3777-4fe6-aaa9-ab96f87c3324.filesusr.com/ugd/43eb95_8de4a7c307d9480d95a93656de7e9e81.pdf?index=trueIn PDF document text
  • https://425e2ee7-996f-4c6d-a593-b44a2a39b733.filesusr.com/ugd/bb05c1_14dde77bda994133ae563f9d2486650f.pdf?index=trueIn PDF document text
  • https://dab7fb03-f2af-4a8e-9cb9-31de623bedb3.filesusr.com/ugd/58b596_304c878071b94aafbcfc38a4bc1b36a7.pdf?index=trueIn 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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