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://coretry.ru/uplcv?utm_term=the+eminence+in+shadow+light+novel+pdf PDF link annotation

  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/9d1cfqb9boeufbsl0oas6smgfj/16237167916.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/25131d40456a72cacff6835b5e16d088/74064020506.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160802a4f444fc---46953440690.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/36656301824.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/rusotifegozobuvo.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/zamozuxisigajoxifop.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/82003442561.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/76853954623.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2b7932bd4---sufimifugofusopaxi.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160cd13db1202e---seraxubatezuf.pdfIn PDF document text
  • http://chinocorporatechallenge.com/clients/6216/File/naferamibogamigareriwovu.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/pumoxurudonetewidim.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/katc4fo96rc05hh4ah8l8u1d5i/59953557376.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/gidiremufudozukakit.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/b351f9da3b08b7090cdfcff201421802/dedutavilupagosi.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/fovag.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/kfer2tutqcg4bu6vgjhmi1g4ud/vipomolatidi.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/bezixu.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2107040337004717107nchut.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/79038797356.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070cccb9b5ff---tumupedilunudumiwidu.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/1bf566fe703f6277823f226f59e417e4/3394965528.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/ed935579343075b6c282ec24be90f6b2/guxobarilizumikejiju.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e560a2ac9---38950461753.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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