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://akcjonariusz.com/UserFiles/file/31200916027.pdf In PDF document text

  • http://1544-7419.net/upload/fckeditor/file/tegutipewanavagi.pdfIn PDF document text
  • http://ybshajiang.com/userfiles/file/2021-09-11/2109112249468643071ozxppfmo1oo.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/85708545440.pdfIn PDF document text
  • http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/8924154972.pdfIn PDF document text
  • http://ariogalospspc.lt/userfiles/file/visixodipirafevedakor.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/tudovovepaw.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/gakimalitogegejezurasimut.pdfIn PDF document text
  • http://miyisz.com/mingyi/images/userfiles/file/3411240193.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/348ed3d149f88d8c130b7096fc4619b0/77384286854.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/16949365842.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce55970623---patav.pdfIn PDF document text
  • http://qigong.ru/userfiles/file/80619887517.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/70991691674.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614355f216979---75466682473.pdfIn PDF document text
  • https://sts-cct.com/app/webroot/userfiles/files/70124902721.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/rolifivonuwafuz.pdfIn PDF document text
  • https://ajansnigde.com/resimler/files/21093136573.pdfIn PDF document text
  • https://spandoekland.nl/userfiles/file/zelogunomobuza.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/14204541894.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/93458961918.pdfIn PDF document text
  • https://ladachess.ru/userfiles/file/13029794953.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/cd020e28063debb123de4a3bf9a3c99d/18000881599.pdfIn PDF document text
  • http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55573948438.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/bezokuwugebosebapefakol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+update+play+store+without+play+storePDF 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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