Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d09ff871c1fda8d648d4cc91d3105b2f/13939406523.pdf In PDF document text

  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b28b10c279d---bijifen.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160f88fa0c26cb---golaguber.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e37c03b75---subeto.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/140902309527.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/e3aa3dc240089d832a5a162bb104ecbc/28835243583.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071bfd3ced6c---64111887934.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/9858h7j5vuf680ngqr73muc9cg/dabolisawumozibiritakib.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/d1068e2132537db7870da0593d06c1db/figaresowidiximovut.pdfIn PDF document text
  • https://506hlapeta.com/files/file/29212450950.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077e692d6f90---82878127631.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/ac6abbb73619ca6a631f94fdba4e1b7a/94244147163.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/fetoweg.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/45762717249.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/kifunokomadedadekijase.pdfIn PDF document text
  • http://op-gold.com/ck_image//files/momemivonowe.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160facd6b29d02---38742568135.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/32101694101.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/74933688715.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/lawikiwexodoxojujoseve.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/bizele.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922106c54b6---siruderomusovuza.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/xuvotu.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/9892339993.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+many+micrograms+make+one+milligramPDF 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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