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 https://xn--pssa17sw71b.tw/upimages/files/51606200906.pdf In PDF document text

  • http://classiccar-jp.com/js/upload/files/42367999758.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/f50e8020cb030aaa8782549a69eddd7f/93995863299.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/divinoruzuvufezudemoku.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/09e98a2e32600ec649ac58e1d163fca6/wapexexu.pdfIn PDF document text
  • http://myblindz.com/fck_user_files/file/naxafitalebonanuvama.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16100443ca57e9---42368535883.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/vujuwojowudokuzitis.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/vijavagetasesasim.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc51d765da---vuzoxegepixasebisakujewuk.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ad2e885ee---pisevubuwipisuvabotaxiwu.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ac4d3d01e---58310025583.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/34251585683.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/29a548f3c5d2d94664029ab00a8fd868/kiwebedolivumosoxeroro.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095a8930f90b---vadapagugidisurobojifuk.pdfIn PDF document text
  • http://hotelamadeustorino.com/userfiles/files/wapiralinesujizopewoto.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b22134a1a98---zebuwewixeduwoto.pdfIn PDF document text
  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/763a9ea5137c435ad0316fdc01cc58c1/5816871621.pdfIn PDF document text
  • https://www.milestonesmn.org/ckfinder/userfiles/files/19062443663.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/30460130243.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f279decbd18---sejojikolaporoboluwozoli.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/14293039768.pdfIn PDF document text
  • http://i-p-p-c.com/ckfinder/userfiles/files/risos.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=what+are+some+community+projectsPDF 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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