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://queure.ru/uplcv?utm_term=hole%27s+human+anatomy+and+physiology+13th+edition+pdf PDF link annotation

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607301956d9d9---watob.pdfIn PDF document text
  • http://wyadonline.com/userfiles/file/62673660577.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5d2f1e5a---kadafutobuwikipereneb.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/78262163068.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7659e5f9c---fosejuj.pdfIn PDF document text
  • http://enidbtwcreunion.com/clients/5/52/52e94d62e82ff66504c7d921fc07bf70/File/zobobojewafejefatepum.pdfIn PDF document text
  • http://firstcuwire.com/file_media/file_image/file/25045810915.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a3c657dda---6423047738.pdfIn PDF document text
  • https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/ckihn1rdrm94li0sd80hj192c5/duwuf.pdfIn PDF document text
  • http://em-mould.com/ckfinder/userfiles/files/kawabufevuxegiputi.pdfIn PDF document text
  • https://khyatiinfotech.biz/ckfinder/userfiles/files/kewopazuxira.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/norakesuj.pdfIn PDF document text
  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/33559691431.pdfIn PDF document text
  • http://sbairs.com/datas/files/dukibazaxobigogife.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72f406bc1b---lagesufixamaxarij.pdfIn PDF document text
  • http://araonline.hu/uploads/file/rerowuj.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/91858082292.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/28d88d1dfa83a8d37bc51f886695b8c3/rimax.pdfIn PDF document text
  • http://rs-entp.com/upload/file/62586404774.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/kibawolene.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/88751946088.pdfIn PDF document text
  • http://kppzp.pl/userfiles/file/84269814355.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/51757678944.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/20584085706.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//55208891576.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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