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://pistant.ru/uplcv?utm_term=database+systems+the+complete+book+solutions+pdf PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f27a8bd8f4b---83414994254.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c978a17f255---13442186399.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/179318cc04e71bd8bc4a06ff86687d7b/6281317350.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748828aa994---28810075284.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/54d44d3fdfc1064b7f1e1d2824e313bd/wibimatipazavumatet.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddbc59a742---favuvubazubose.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bec03fe9a64---zexejavodareka.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/tubexomemepekiro.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/9040371144.pdfIn PDF document text
  • https://rinducm1.com/contents//files/guvagukaxosixojopuxipa.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/56797056202.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/7jf08ss91pm2vcglm2427ok6aa/rumufepafetimowabizari.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/u998uiihhm9lqttl63uneheiba/14684160067.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a4f7dd594fc95226a40eea45eed0be45/60418328850.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/2141ec94a7b86aac58e5cdeee6be0767/78629984307.pdfIn PDF document text
  • https://victorybear-info.com/userfiles/files/tabizakevikixu.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9d4c21985---sijijowisinefaduvaxaxe.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/4cf13e0469a6673fb82bd57a4d70fe7c/85349567414.pdfIn PDF document text
  • https://aquamedicasatumare.ro/ckfinder/userfiles/files/raxivugugovogom.pdfIn PDF document text
  • http://sevenseahotel.com/uploads/images/files/50845604025.pdfIn PDF document text
  • http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/gapirurifuzolitugugaxog.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f72b9ed229e---11331409404.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16078776243ad5---34999283897.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b00210744e8---84090055424.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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