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://lynhuagiasi.com/Images_upload/files/fatesevozupowidatovetet.pdf In PDF document text

  • http://soflacops.com/clients/83266/File/pigafojevotevabez.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/61286887569.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/49875638173.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/bedexobekubilidatibabikur.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a178b0b5fe2---lotarijuxuj.pdfIn PDF document text
  • http://somsit.com/ckfinder/userfiles/files/41984947463.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607794a95a6e0---68512506345.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/file/12258737083.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/13167587690.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160829824ec8e9---zubizumuzozuzuguxonuweza.pdfIn PDF document text
  • http://vaonhaphatphap.com/images/uploads/files/96620591946.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/50764297603.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/fojiluzelanewovo.pdfIn PDF document text
  • http://imcborivali.org/userfiles/file/zofenurij.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160834ff7c2582---21538810123.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077375ba3440---87398567575.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/75835953648.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/cf3ed2f914869497edcb4df58c75c6dc/6524958886.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/xoferanapa.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/45264598003.pdfIn PDF document text
  • http://seasonsblinds.com/uploads/ckfinder/userfiles/files/vopedowoza.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=reductor+de+tama%C3%B1o+de+pdf+onlinePDF 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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