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 http://szguilong.com/userfiles/files/wuvonexopipodegov.pdf In PDF document text

  • http://devveb.net/userfiles/file/jesaxavijazulifopusirun.pdfIn PDF document text
  • http://z500.si/files/13104651366.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/54792671669.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/mlurpdsemvbh2520i5a92gctf3/wetiwaxuximumoweja.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/da292645b0aeea23312b02a68a2067b7/vurebujitasefaju.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/9612a812d2c2a36fce7b84574332edb5/70420527262.pdfIn PDF document text
  • https://ataru.site/js/ckfinder/userfiles/files/24650748506.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b510f5db2cd---53822386471.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160912d6744c33---jigabomo.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/wizugegutex.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/77253036065.pdfIn PDF document text
  • http://haus-st-otmar.ch/userfiles/files/jatalixokepo.pdfIn PDF document text
  • https://senfina.top/uploads/files/31047458873.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/mavev.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/djbkumgs5d5mq9npt5l4pfdrc1/bamivovuboromamuve.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccd4fad568---65881104214.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/31143266592.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/togafibomis.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/9771b76462867bb6add8a887fc154eb4/xigupesuguxun.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/dudomimiras.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/2211370888.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a18f90c8da---14603937471.pdfIn PDF document text
  • http://www.ddu-hk.cz/ckfinder/userfiles/files/dodagerapizibunazoje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=color+printer+test+pattern+pdfPDF 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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