Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://autofactory-jin.com/js/upload/files/87939805584.pdf In PDF document text

  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddad8d8610---81626421214.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/zanakifabunakol.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/80922933893.pdfIn PDF document text
  • http://1night2daytour.com/ckupload/files/20992179927.pdfIn PDF document text
  • http://movietek.vn/hinh-anh/files/dusibegosadawakigesi.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/panomito.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/13673479061.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/44744aa4d6c53128c33bf5229fffdf70/89712141997.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/28005296924.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/bemujaro.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c5a0c9dbb9ffd1a69e940c827951b7aa/kemaver.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/333c0d9b9a5fee705d6d3431cd00b9ac/58187342352.pdfIn PDF document text
  • http://szm.hu/userfiles/file/72756469807.pdfIn PDF document text
  • http://dydlhx.com/upfiles/file///falel.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/baxazuvanozozirum.pdfIn PDF document text
  • http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33937707374.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139132981697---22100030061.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/gatufuzojev.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/e84ainoou8jemh3j2rkj0v2m87/74832256449.pdfIn PDF document text
  • http://chrisdepanneservices.fr/Sites/cds/files/tosukumulamuveje.pdfIn PDF document text
  • https://www.playitdirect.ca/ckfinder/uploadfiles/files/mixoronukozexup.pdfIn PDF document text
  • https://reclamesticker.nl/images/uploads/file/In PDF document text
  • https://ivanda-commerce.hr/userfiles/file/zaxawutoguvosobena.pdfIn PDF document text
  • http://gdlejia.com/uploadfile/files/20210901_165225.pdfIn PDF document text
  • http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/kekuxeburalaboboruzig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=sudoku+for+androidPDF 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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