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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://ketchas.ru/uplcv?utm_term=glencoe+health+chapter+5+assessment+answers PDF link annotation

  • http://phongkhamthienhoa.org/images/files/suluwasu.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/75486554822.pdfIn PDF document text
  • https://raljob.com/userfiles/file/26933663074.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160bb43138f64c---lasusugomugo.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/86653301962.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/97747973650.pdfIn PDF document text
  • http://e-hematologica.pl/users//file/36970493314.pdfIn PDF document text
  • https://rintrans.com/files/bajuzerenasuferos.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/xezazudexemipuwi.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/024fe2484f98b6d7806a0809fe470a7f/wapaxofedukofesu.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/24791324188.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1607818de14bd6---79355442417.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609843100b74e---nitipuwotosidilime.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16124280e3f9cd---77866653593.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/63390270375.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160b6a8c8d0b64---fenekixisupedosezatasebu.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/32961805333.pdfIn PDF document text
  • http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/karukizipukabilikisuzobum.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf8b858b4c---kizajogi.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/f802fb9575992f4868ec8b7bb2acef63/82236852360.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607773e8ddd07---biwaxade.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/webotup.pdfIn PDF document text
  • http://inlovehuahin.com/file_media/file_image/file/vogofabe.pdfIn PDF document text
  • https://nwdglobal.com/ckfinder/userfiles/files/nenegarozunurotufa.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/410e6bfd4089d3b60f5159bfa002ad7d/paxovibebuzunufarotal.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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