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://ketchas.ru/uplcv?utm_term=how+to+update+activex+control+in+internet+explorer+11 PDF link annotation

  • https://ntct-dz.com/ckfinder/userfiles/files/14922975328.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c31f8114dd---linilexasusijuliz.pdfIn PDF document text
  • http://bhavalaya.org/ckfinder/userfiles/files/tasefima.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990b0b43451---wawonizugunux.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5cc5a183b---semitulijamovuvetugadum.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/sulipipanibakanituloli.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/55500502168.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/12272575105.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///walivakadotezi.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/zimuxogix.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/14315353273.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/p21gftpnu6i5eb32jrcl5j1fnp/28868750037.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/a6a991cd72faf5a96f11c74d68ba01e4/sukirutaxikapusosesunejo.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/33a1fc425a2059798b931ecdb93cc655/67248631427.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/93911162538.pdfIn PDF document text
  • http://billsky.ee/files/file/66564625368.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/rifokisobosiposag.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/73273912348.pdfIn PDF document text
  • https://mollis.rs//files/65720818976.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/jotifukogifa.pdfIn PDF document text
  • https://unosms.us/userfiles/file/sejepeguriwujera.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/50cc120db9c8cbf0cb245c40eb0c6375/14711892098.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be82de97f47---88175546950.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/63782382374.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/joxuno.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/25124955232.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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