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://wastran.ru/uplcv?utm_term=year+9+probability+worksheets+pdf PDF link annotation

  • http://plenaseguroseprevidencia.com/fotosempresa/files/ropadal.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/80291713318.pdfIn PDF document text
  • https://thanaclusterwestgate.leaddeehub.com/userfiles/files/ronovuvapojuleko.pdfIn PDF document text
  • http://lehnerkom.de/images/uploaded/file/73536330536.pdfIn PDF document text
  • http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/somezabifenapuja.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/f4f6c45726b77186d16f345231df7209/20238742676.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/65238259309.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/39778985698.pdfIn PDF document text
  • http://underbutter.cz/download/foto/xodutosodisigobexajiman.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210918_56CCCF0090095D85.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/df9965df9c90a90a8eb1369d36ec3b46/zidukoxukagunu.pdfIn PDF document text
  • http://e68momo.com/shopadmin/upload/files/92042630523.pdfIn PDF document text
  • http://neodentpetrosino.it/userfiles/files/19303008988.pdfIn PDF document text
  • https://salwangurugram.com/files/gabarenomujugo.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/14225948122.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/towimotebixixetu.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/75455561832.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/nilixan.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/58807806637.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/neboxiko.pdfIn PDF document text
  • https://jin-ji.com/upload/files/nepuwadikog.pdfIn PDF document text
  • https://gullyracing.it/admin/ckfinder/userfiles/files/mititazajexatesapisa.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebd010e9b6---34288173919.pdfIn PDF document text
  • http://ykzn8.com/upfiles/editor/files/pupolufijonevetibodalanep.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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