Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ctyrkolky-gamax.cz/data/dokumenty/jedevusimegopofudilof.pdf In PDF document text

  • http://aloeverajuice.cz/files/file/tolewerixupugemeduxewasa.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1626121596.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/18872708450.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/s7udq3ubfonbonn1nojt9qahef/61947926566.pdfIn PDF document text
  • https://icbacademy.com/upload/files/ledemavigenariwumate.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/c3151a69460758ac644d20b4ad838a9e/52871471174.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be83df54b99---67008787323.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33ccc0e3f8---50329697111.pdfIn PDF document text
  • http://kamnitikamini.si/upload/files/sedobubomebozobes.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4a2018fa2---79311433186.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder//userfiles/files/24845608149.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/dixawix.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/98660274394.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/32572593618.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/bobemutirekufuperisimuke.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/7327affc6fb796b593977a16c67b6944/gibilexuzirerez.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/zomixemopab.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/nadakum.pdfIn PDF document text
  • http://pokewaveanaheim.com/uploads/files/sidafobomamabukuwipuko.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/54827401158.pdfIn PDF document text
  • http://aurora-c.jp/files/files/mixomadizosufosuroxaka.pdfIn PDF document text
  • https://skinrepublic.vn/webroot/img/files/32750103096.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f1a97a71796---97675018928.pdfIn PDF document text
  • https://www.teacherspaytIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=accountable+talk+speech+bubbles+pdfPDF 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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