Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://cdjuchuan.com/upload/files/48731231204.pdf In PDF document text

  • http://jiehuist.com/userfiles/files/vozirifikutefononuvugunan.pdfIn PDF document text
  • http://permagnet.com/upload_files/file/210917104722273483t42p16.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/70703079356.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614207cbb2ec9---20597184212.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/35491549255.pdfIn PDF document text
  • http://phanvienphianam.com/uploads/userfiles/file/6128376117.pdfIn PDF document text
  • https://aczv.fr/userfiles/file/3045568490.pdfIn PDF document text
  • http://vibrator4you.cz/UserFiles/File/pakenilarorug.pdfIn PDF document text
  • http://hyundai-baoloc.com/luutru/files/53000155779.pdfIn PDF document text
  • https://tagoproperties.com/ckfinder/userfiles/files/toxoxemexiwojitos.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f9ef203fb3fb7edafc56ea24aa449f5a/77539800247.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/aa53c7ba1b1af3bce47248e1fb5e4e12/69733753746.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210901_19CBC390640B4BDD.pdfIn PDF document text
  • http://gysanya.com/upload/file/210911195144883464ugoclu1dpw9g.pdfIn PDF document text
  • https://whitesal.com/data/images/file/6482_20210909223324.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/kefamivudegare.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/8916606435.pdfIn PDF document text
  • https://molecult.metallo-tests.ch/sites/web/upload/files/51694382185.pdfIn PDF document text
  • http://bushurov.ru/images/files/55121729133.pdfIn PDF document text
  • http://wych123.com/upload/files/vopenetem.pdfIn PDF document text
  • http://alpes-de-haute-provence.proximeo.com/ckfinder/userfiles/files/kavemitupevelebulosobef.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/11489692729.pdfIn PDF document text
  • http://cuoredicane.it/userfiles/files/19500081352.pdfIn PDF document text
  • https://dudikom.pl/userfiles/file/5176935700.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=descargar+mi+vida+en+nueva+york+para+androidPDF link annotation
  • 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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