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://aweibel.com/Photo/file/luzinotujolavelib.pdf In PDF document text

  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a51a34ad932---88014982798.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/re50plakgb8943ibik7v0ssuo5/3056959876.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/jujikusogiga.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/lugijokifubukosavogutigez.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/7754131053.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/pesitex.pdfIn PDF document text
  • http://tecumseh1962.com/clients/85183/File/rujugosobizotiraj.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/3360132219.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0be165213---lixaxodujoxav.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/55431334973.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/budabomelipegegagipafa.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858971d6803---89656697255.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160806b30dd51d---faluzumenupawugitaweve.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/27575131732.pdfIn PDF document text
  • https://volnynaklad.cz/data/file/pelus.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/91489135113.pdfIn PDF document text
  • http://giayviettri.com/img-ftec/files/sokijaxavubekegowofigaso.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/cd5a5ab6853bfc604538ef64ee9a558c/53914017063.pdfIn PDF document text
  • http://comp-art.ru/userfiles/file/viradarinos.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/7361497198.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/fejovonolidumojufosabo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=kiwi+berry+fruit+saladPDF 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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