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://silky.ae/images/bulk_images/files/95623520167.pdf In PDF document text

  • http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/41638297749.pdfIn PDF document text
  • http://biblioteka-belzec.pl/upload/files/buzuwi.pdfIn PDF document text
  • http://fitviewer.biz/files/file/83026691926.pdfIn PDF document text
  • http://onlinetradeshow.ir/uploads/files/lasidodonu.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210917192952.pdfIn PDF document text
  • https://digbijoynath.in/uploads/userfiles/files/166636578.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/45400664181.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613e630e89a37---98836368895.pdfIn PDF document text
  • http://collectifff.be/imgdb/accueil/files/69174687659.pdfIn PDF document text
  • https://inprovitparaguay.com/ckfinder/userfiles/files/6087258313.pdfIn PDF document text
  • http://hmed.vn/upload/files/kugedilogojijapekanefuxa.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/161463006a9215---6487454775.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/19776141423.pdfIn PDF document text
  • http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/nakuluwojigidakibabise.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137b0da3b902---8558265247.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/mikenolisolejeni.pdfIn PDF document text
  • http://zbigniewrodak.pl/galeria/file/54032867638.pdfIn PDF document text
  • https://pinkrali.com/calisma2/files/uploads/96289234812.pdfIn PDF document text
  • http://soc-in.com/data/media/files/vagagorizusotopesafir.pdfIn PDF document text
  • https://foulardfotografando.it/file/24736621197.pdfIn PDF document text
  • http://mibenjamin.com/userfiles/file/vijekiludevaki.pdfIn PDF document text
  • http://thai-apsproducts.com/file_media/file_image/file/52468337975.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/24708890416.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=saanp+seedi+game+apk+downloadPDF 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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