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.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://kuzutuzo.ru/strik?utm_term=first+aid+usmle+step+1+free+pdf+download PDF link annotation

  • https://cdn.sqhk.co/kemomonil/jdznjjO/sanitarium_lyrics_traducida.pdfIn PDF document text
  • https://cdn.sqhk.co/fafegatoko/jbZhbsS/wallpaper_of_word_sumangguni.pdfIn PDF document text
  • https://cdn.sqhk.co/tewigoju/DYidge2/83282067137.pdfIn PDF document text
  • https://cdn.sqhk.co/lenubire/hg4cdJz/befefuser.pdfIn PDF document text
  • https://cdn.sqhk.co/dedizajo/cjaggji/learn_robotics_at_home.pdfIn PDF document text
  • http://bikejesoxatelo.mygamesonline.org/50941186921.pdfIn PDF document text
  • https://cdn.sqhk.co/raserijene/hGjcgfm/operations_management_functions_and_challenges.pdfIn PDF document text
  • https://cdn.sqhk.co/vameduvide/hcYkrgi/gst_audit_report_format_excel.pdfIn PDF document text
  • https://cdn.sqhk.co/tamupoto/jjibIRu/dictador_20_year.pdfIn PDF document text
  • https://cdn.sqhk.co/wepiwuvume/jdxujfe/cupcake_recipes_simple_vanilla.pdfIn PDF document text
  • https://cdn.sqhk.co/vixawutozama/93Diejd/loan_modification_hardship_letter_template.pdfIn PDF document text
  • https://cdn.sqhk.co/feledigowud/ghbihji/earthlink_webmail_hosting_support.pdfIn PDF document text
  • https://cdn.sqhk.co/bepemuno/bharcra/avion_flight_simulator_free_download.pdfIn PDF document text
  • https://cdn.sqhk.co/pizokifuxe/ig5ejbZ/donkey_kong_arcade_game_machine.pdfIn PDF document text
  • https://cdn.sqhk.co/xusikeko/jaij3Ql/sas_visual_analytics_tutorial_videos.pdfIn PDF document text
  • https://cdn.sqhk.co/togareguko/6jcN5oU/business_manager_jobs_duluth_mn.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://c03439ef-6557-4199-865e-586791a52b6c.filesusr.com/ugd/6bb4a2_1f63c8ec632c4d3a9202e730597e6cd9.pdf?index=trueIn PDF document text
  • https://1ec9b6e7-17eb-4e1e-a994-ba5ce4cbdb7c.filesusr.com/ugd/d4a9d6_8f7d2e6e90c0494daa34b45f659a4ad5.pdf?index=trueIn PDF document text
  • https://95043331-d9de-4498-ad98-35b8ac3ee23f.filesusr.com/ugd/5740b2_6c83693fcb1b4cd7a490a2d89a090c1a.pdf?index=trueIn PDF document text
  • http://vovakupalujum.onlinewebshop.net/93669053775.pdfIn PDF document text
  • http://sabixukavizom.myartsonline.com/verumokuvusegixodiloxer.pdfIn PDF document text
  • https://b8f7bc2e-5f90-466c-a76c-b8215bfdb3ae.filesusr.com/ugd/9717d9_2c39d9e0533d4a9a821a21c3ee1d7209.pdf?index=trueIn PDF document text
  • http://boxijekew.atwebpages.com/arkansas_travelers_schedule.pdfIn PDF document text
  • https://b54663a3-ff9d-4122-b75c-69b71428c9b0.filesusr.com/ugd/cfa91a_6ae9e2ca0fed49eb8922434f0392f573.pdf?index=trueIn PDF document text
  • http://nabenejajoko.myartsonline.com/how_to_troubleshoot_a_thermostat_on_a_hot_water_heater.pdfIn PDF document text
  • https://c546c886-5aa5-41cc-813f-4ed3e146772c.filesusr.com/ugd/b3e52d_fbcd801f22e146789ee15522e2dd6812.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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