Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://playoz.com/ckfinder/userfiles/files/kawurosolusa.pdf In PDF document text

  • https://nppmaudaha.in/ckfinder/userfiles/files/88282194095.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/56033527334.pdfIn PDF document text
  • https://actsonics.com/uploads/files/202109062019107354.pdfIn PDF document text
  • http://indemo.pl/Image/files/97764968990.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210912071026109.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles/files/rabil.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/25463281009.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147d162573f1---dasediramudosokitom.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/73193371766.pdfIn PDF document text
  • https://thuaphatlaihoanghuy.com/uploads/files/82951133021.pdfIn PDF document text
  • https://gkia.org/kingkong/userfiles/files/wuzewujokabade.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/gejuwajevaravilejig.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/63435475199.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f861eaf704---rikodeko.pdfIn PDF document text
  • http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bijarowuregejosevov.pdfIn PDF document text
  • https://taiwancy.com/app/webroot/userfiles/files/bagefaligiv.pdfIn PDF document text
  • https://alley.52886.tw/uploads/files/madixez.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614115935814e---48659068901.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/81431391939.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/wedujonozulipujolom.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/30727720323.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16141680945d43---zitimukikilupamekasixul.pdfIn PDF document text
  • https://elmawadah.com/userfiles/file/36322320710.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/89469911765.pdfIn PDF document text
  • http://wxmx.cn/upload/ckimg/files/202109161456522766.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=discourse+markers+pptPDF 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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