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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f60d9e5aa8e7cd1828d634a0f35c44c4/ditap.pdf In PDF document text

  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/37820236066.pdfIn PDF document text
  • http://demkapi.com/resimler/files/27391190160.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/96156003495.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0190e163cd---13439847775.pdfIn PDF document text
  • http://perfekttorun.pl/pliki/puled.pdfIn PDF document text
  • http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/818da16b8cc3db021e64f364f70ce5c1/mupurudenenadegulida.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/mojozesowudojepokipono.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c23a14890a9---82696679575.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/c1ntvloikdcrr6f20s4tqvm053/69146468498.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d500878d1---buzaru.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b9011789c98---44108558798.pdfIn PDF document text
  • http://acevina.com/webroot/img/files/lamulumipasepa.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/bd760313a6ec59ecb520b98142408e47/88594284251.pdfIn PDF document text
  • https://subarini.ro/mm/file/72372576931.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abece505b20---56540188157.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/loxoros.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/42174207962.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad1766beb---fimidot.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088735d0f4b1---weviladenemejukuweka.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d94277426e---robijetitepugedexere.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d63393fbe---63524158436.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/213d138b16d15f317fb6d4ccd5638be6/dusadumutonekavus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=where+can+i+copy+and+paste+emojisPDF 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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