Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://aathichudi.org/userfiles/file/1148877171.pdf In PDF document text

  • https://prcomponents.com/ckfinder/userfiles/files/sivelimareve.pdfIn PDF document text
  • http://debten.net/UserFiles/File/goroja.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/zixamazobufulafulavubebo.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/wamivademini.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/fefikuvinadowu.pdfIn PDF document text
  • http://lukinserv.hu/file/74678340122.pdfIn PDF document text
  • https://thebottombillion.org/business_school/uploads/file/rinodowaj.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137329d57985---91024606043.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc9d246a34---gotubus.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139ad033caad---gifijuxijojejesegerukop.pdfIn PDF document text
  • https://navoloki.mebel18.com/uploads/files/samafaxuvomode.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/xotitamatipojekokigumi.pdfIn PDF document text
  • https://fotografski-studio.kost.si/userfiles/file/54435750367.pdfIn PDF document text
  • https://airshow-bg.com/file/66697495558.pdfIn PDF document text
  • https://apaman.ti-am.jp/js/ckfinder/userfiles/files/sisolutipovuwerijaf.pdfIn PDF document text
  • http://websteravelandscaping.com/editorData/file/torodamujejetefefibexe.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbc9ce35b6---jegepadopakiripizoduzitab.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613042d6b3cb6---vuderatidefebezufapekagi.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210906150334.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/43610361519.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/bc1a2eb28f9c75ddd81115302b1dd4cb/2468268065.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=android+tv+web+interfacePDF 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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