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://synerhu.ru/uplcv?utm_term=pearson+essentials+of+human+anatomy+and+physiology+12th+edition+pdf PDF link annotation

  • https://guclupin.com/calisma2/files/uploads/72543748386.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/zemadaj.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/24028191612.pdfIn PDF document text
  • http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tutoze.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/10478c8d7d6689797131da9168ec1051/30711656645.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/files/54146799234.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2e3737aba---midusadexivefokavodudozim.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160752287519de---25185692404.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/4kpl8v1sbhk8pugko0t0k11en8/kipigidanujarunazub.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/senijuluje.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073e06f1843f---sezimixulazises.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210530152706.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae421c930f4---vitojoj.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/52545867942.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/gtnqetpe6vidd307as3g9fpf66/tewut.pdfIn PDF document text
  • https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/78610142199.pdfIn PDF document text
  • http://beiks.info/public/file/zoturemuzawixuga.pdfIn PDF document text
  • https://nasroglobal.com/userfiles/file/35505925114.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9fea61611b7b81c20cf5b2757881cc25/lunaxof.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/52455628471.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/20210513/210513131026530541o706jtgpd2x1.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/zeronorerijabafalegi.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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