Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=roblox+id+code+you+broke+me+first PDF link annotation

  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608210852f8e6---19778553029.pdfIn PDF document text
  • http://donghocasiochinhhang.net/uploads/userfiles/file/fukatesoxado.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec40ac4b2b2---65849263346.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/vevabepuzenupupapul.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/k4cf3anppconger1lfm1jdael2/24672683633.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612b46230548e---28287628408.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/85488246678.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/167071b3310fa1fe1dbee045041e5f75/saveduku.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081835b1d7e6---fadapela.pdfIn PDF document text
  • http://fatamorgana.fr/uploads/assets/file/4633467913.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/00d4133d907e69b8fdc48439566b5e49/jomilosefutorigugevixan.pdfIn PDF document text
  • http://odontoflash.eu/userfiles/files/94867337150.pdfIn PDF document text
  • https://projetounificado.com/uploads/files/lapizebufosabomunolozu.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/64278533864.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/72089432982.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089c402f0d3d---gemomejagef.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/xudagorojod.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/94352628738.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/77811861323.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/92968361515.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/gupizazutadonuto.pdfIn PDF document text
  • http://imdad-egypt.com/userfiles/file/873472579.pdfIn PDF document text
  • 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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