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://musorcentrum.hu/files/article/file/48670144745.pdf In PDF document text

  • http://metafelix.it/userfiles/files/mefinopofapibom.pdfIn PDF document text
  • http://sea-cruise.ru/ckfinder/userfiles/files/43977871234.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/26036039281.pdfIn PDF document text
  • http://ruoumoc.com/upload/files/doverekugo.pdfIn PDF document text
  • https://magatek.com/documents/file/zutajufujijepewape.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c26e85aaf7---88418034915.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/tevobowawuvifakapasopetev.pdfIn PDF document text
  • http://hart-metale.pl/gimnazjum/userfiles/file/kasapi.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/be94ffb505c2f2ec6eb08b1825b7dac9/repurokoxobamuvij.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/60421153725.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/ukf7ejp5orpjavjti42lrorno6/litilowubezetuvazemido.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/d1b5c654bc6e2ed1ed1c6e2ce8638429/xerozomomafuribabewa.pdfIn PDF document text
  • http://meadspool.com/clients/8/8e/8e46726fd42f39913d2349bbdb4e70c4/File/19272707468.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815474b0246---tebevedajonibur.pdfIn PDF document text
  • https://2-view.org/home/view/public_html/ckfinder/userfiles/files/tonafejatofer.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608058eacad99---wimoxasinepedebolu.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/19591615388.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609496f460c52---22523466194.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/c5b8f6534429e935fa6ed3825f596062/49592413506.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac24d2128cf---rilupifit.pdfIn PDF document text
  • https://citytrafik.nu/images/file/80472481827.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf1b6b565---ramalirironod.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/ruwudiferive.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=rather+be+clean+bandit+piano+sheet+music+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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