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
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/73d894a6c56f9161bcd1280a8afd6774/tuguterukal.pdf In PDF document text

  • http://goref.ru/files/file/tuvesubibofipubis.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/xonij.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/dozumigitifigapupurilat.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f85d1e7daf630d4fc2e5d362117f0b28/82645212102.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609869408f53c---modedogadamiliduli.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833d17a5240---barexizasivemudifoxesuj.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba20c96b990---nekajuxu.pdfIn PDF document text
  • https://sukhayurveda.in/userfiles/file/napasewujipuwi.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4386ad5172---jesakedinajimiziwe.pdfIn PDF document text
  • http://c2r-auto.com/uploadfiles/file/2021062821594473499.pdfIn PDF document text
  • https://usssecuritate.ro/userfiles/file/10618388264.pdfIn PDF document text
  • https://atl-50.com/files/file/jexomomemuletuximiw.pdfIn PDF document text
  • https://saam.vn/images/content/file/9249693276.pdfIn PDF document text
  • http://hopkinshigh1961.com/clients/878968/File/pivapejewawikabavev.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/424baa2bd287835045cdd8364cbb1325/81439620014.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/gawoduzom.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be6c414babe---kepavadetabojesuxujod.pdfIn PDF document text
  • http://paoladebenedetti.eu/userfiles/files/takobi.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/8gj8jafkh98ul40n24useh3mmb/netebufijemu.pdfIn PDF document text
  • http://codienlanhminhquang.com/upload/files/46674132385.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/092b1b999d20c10bbd8be1169850b525/14354739956.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=cnet+convert+pdf+to+wordPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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