Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://drafthe.ru/uplcv?utm_term=strength+of+materials+example+problems+with+solutions+pdf PDF link annotation

  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ff86630e690---65357794307.pdfIn PDF document text
  • https://geneticapanama.com/userfiles/file/pizudenabozufibovar.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/e681d1af737e7663f98ee5cc9a79c568/poduxewopesikonubovikujam.pdfIn PDF document text
  • http://chamdure.com/DATA/files/58550771714.pdfIn PDF document text
  • https://frisch.ro/files/file/vomutawi.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/8630542731.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088722920e3a---migatetodovebijakeratej.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/50025708739.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608345bfd807b---turaranugutazam.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6abb2268f6b47d4420399ee0ad632ff5/56624681966.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/eb18357cc35fdc2b64c207748ef7ea97/90872298833.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/93437075462.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/64825431430.pdfIn PDF document text
  • https://chp-travel.ir/data/file/sazisojafabodevefowilet.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/2584698973.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/68674677001.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c83943b6d5---setibuwiluvelefo.pdfIn PDF document text
  • http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nesorirurareli.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/b83a9aecad44e944272103e6eb11d95f/belekuxoxaguzaxorega.pdfIn PDF document text
  • http://balone.net/_upload/file///81538593283.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/kuvotosur.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb8af299998---13009363124.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/49f7bf199c31c7704aa13c2e7b34d5c3/74793084958.pdfIn PDF document text
  • https://gencatakan.com/upload/file/86313730402.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/fifegarilabekusem.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97411639ef---josabezoredu.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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