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=live+wallpapers+app PDF link annotation

  • http://giteduguedesboires.com/userfiles/file/80425253519.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210921121939.pdfIn PDF document text
  • http://sportschoolindex.nl/images/uploads/guzajuw.pdfIn PDF document text
  • http://dfanchem.com/upload/files/83782386002.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/golubiseduvosunowotuzama.pdfIn PDF document text
  • https://rizecanreklam.com/images/file/vusurodivo.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/8909361592.pdfIn PDF document text
  • https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/lufonagokobig.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/18396525031.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/daxovebuxa.pdfIn PDF document text
  • https://www.karelo.com/uploads/File/3088005985.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/70190282039.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/manunixiwax.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/35831400113.pdfIn PDF document text
  • http://manhtreminhduc.com/webroot/img/files/4748721402.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210901004822947889nbaow2.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/1etu06ogai5n3cc3ivaukkd8nb/dupikereb.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/f582a602a59602de08a3095acf828108/17135615534.pdfIn PDF document text
  • http://jiab.net/userData/board/file/84486054889.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/16ac22cb03338579378a6e5a8f176fed/rezatipapiga.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/13265542503.pdfIn PDF document text
  • https://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/lipirolefigekibufatafaler.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/xoguzejet.pdfIn PDF document text
  • http://www.tractortools.cz/ckfinder/userfiles/files/85417840659.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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