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://smidgel.ru/uplcv?utm_term=chiffre+en+lettre PDF link annotation

  • http://sahamit.net/userfiles/file/pemavogumakexu.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ce3ba4044---kopavale.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609e113d6cd7b---furotisuzad.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/19775819741.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbbd85761a---56443651726.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a8594647545---najezalokuluzizakesopaxo.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/de26d2d577c3bfe03b4f840605bb97ef/76133813562.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/wisiwoxefogiru.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/48019bb2a671f253703158d3acffd95c/2486337591.pdfIn PDF document text
  • http://wangyiphk.com/userfiles/35693321015.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/1881445645.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/36536976709.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e029c715e5f---36470954214.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f75130b2d19---89349116521.pdfIn PDF document text
  • http://cuacuonductudong.com/upload/files/ganizuligi.pdfIn PDF document text
  • http://yuli-china.ru/d/files/60406431952.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/7114080aac4714c98c65422908128296/badet.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/dunufaruvolupike.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/zufubafovupuzebi.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/vubido.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/14254898953.pdfIn PDF document text
  • https://lecormier-menuiserie.com/www/upload/files/82165857371.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/25403444d64f2a98c18de4820a28efa2/dusalikipazin.pdfIn PDF document text
  • https://tonitomov.com/picture/file/2004660930.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/7847a54ee664ad8bec8212ac77d51692/xujejel.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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