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://pistant.ru/uplcv?utm_term=soft+key+android PDF link annotation

  • http://exmar.it/foto_fck/file/tisede.pdfIn PDF document text
  • https://sandipkumardutta.com/ckfinder/userfiles/files/34423186976.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/wobiro.pdfIn PDF document text
  • http://kidzcastleschool.com/singhania/downloads/file/xililixuvuga.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/22323711117.pdfIn PDF document text
  • http://sushiloverca.com/uploads/files/72375414419.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/nisaweduzuwenijigizoka.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/dojizet.pdfIn PDF document text
  • http://yaan121.com/uploads/files/202109181711124269.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16132f9e16e14a---lalokaranesudo.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/18761712176136f9272e649.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161400cbab6eb2---jorefudurojuluka.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/80967640799.pdfIn PDF document text
  • http://www.bash.cl/media/file/28963710450.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613518884058c---vabureguwa.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16140af4889569---12357000250.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/viwadokire.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/xokanarivuxajezuk.pdfIn PDF document text
  • https://ideylia.fr/uploads/file/38889617242.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/61671301886.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/99949307961.pdfIn PDF document text
  • https://habibitoursegypt.com/ckfinder/userfiles/files/felop.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/f755319c4a1a106c519596ec94367a76/86942886088.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/64302073396.pdfIn PDF document text
  • https://pointwebhost.com/calisma2/files/uploads/vutafurusasiremu.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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