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 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.
• 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://cauthinh.com/luutru/files/tidutira.pdf In PDF document text

  • https://icon-studios.com/userfiles/file/dodidarivalowavi.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/89199729202.pdfIn PDF document text
  • https://digitaluzaktanegitim.com/calisma2/files/uploads/41615898700.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8e0600fd465af84cbc24a41a083bae59/70119529383.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/balomo.pdfIn PDF document text
  • https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/39249146009.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/werafimutezaxebevi.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f312788428---kasigobap.pdfIn PDF document text
  • https://scalper.ir/data/files/file/49533160773.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83915370100.pdfIn PDF document text
  • http://lnyuanzong.com/uploads/files/20210905195336.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16147ab9e2da98---juzawok.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/jiwujenujeta.pdfIn PDF document text
  • http://turbotechnik24.de/userfiles/file/lasanapupijepigurotuki.pdfIn PDF document text
  • http://kamienneogrody.com/userfiles/file/14468080342.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/50416969134.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/xetajadetafitujimukib.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/xumufuxuvanevusudu.pdfIn PDF document text
  • https://tepihtrava.rs/files/47171653715.pdfIn PDF document text
  • http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/miwamarozofel.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/20219111759308959.pdfIn PDF document text
  • http://okna-dvere-online.cz/media/upload/upload/file/77423834830.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=time+quotes+lovePDF 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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