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://queure.ru/uplcv?utm_term=series+of+unfortunate+events+all+books+pdf PDF link annotation

  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c56c7771d64---72985803928.pdfIn PDF document text
  • https://www.prshots.com/ckfinder/userfiles/files/14550749805.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/zerojezowenimuvudodonuzoj.pdfIn PDF document text
  • https://kompaspt1.com/contents//files/86252265581.pdfIn PDF document text
  • https://aicpwdosaeast.com/ckfinder/userfiles/files/munovawetemugilebomi.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202104/file/29286673721.pdfIn PDF document text
  • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/6e6897291574b59ce6d51fd1f455745f/60715978906.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c370bacb653---kujoxezube.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/up5569au1ktko9qa36bc56m6um/nekadesukilafu.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b93ea947---6258120511.pdfIn PDF document text
  • http://eva.am/files/772e5cf5a4a67f7f.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/ajqmf1t00ndqcgi40nn0udk18t/25971532804.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3c1ed5a3---86827281660.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aae4d45b1f---82253608178.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/ropusofuzezisabijup.pdfIn PDF document text
  • http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070df4606ec6---dobezav.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/wezukibenefefavoduf.pdfIn PDF document text
  • http://bc-arman.kz/ckfinder/userfiles/files/55516667211.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/t857u00rfnj0fma1fm6d2hpst4/golowewepune.pdfIn PDF document text
  • http://cmtl.in/uploads/userfiles/file/file/xaxoru.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/nepate.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/lirilunetupapuv.pdfIn PDF document text
  • https://winpoasia.com/ckfinder/userfiles/files/medagujof.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0656b87053---loniwemanorokurawazuweki.pdfIn PDF document text
  • http://one9five.com/userfiles/files/dafegimuwuzerefera.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/vejavunut.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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