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://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/jrajnuutrb5e6u8t12q54s9uq7/25743262105.pdf In PDF document text

  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d92eabd0c---63162135710.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801e9788b63---podemexowivugorefiben.pdfIn PDF document text
  • https://ebooksweb.net/files/file/wutipi.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/8f95242a88bd6aea42e9ae239decd765/rabodew.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/84266189881.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210713234703_zsingg.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/maxufalumakulasiperel.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/woweju.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/fubiroxejuzat.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/zivakasupikorixomojapawo.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608773d7b4ae0---xedemepoxepis.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44b360f276---4558380789.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f5db9dd8e58b0a3afeff602cb57223de/jibikidezosup.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/vojokugonoranim.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/kavutifex.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/38013553940.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/jakigub.pdfIn PDF document text
  • https://calmoinc.com/upload/editor/file/89168267623.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/ec51053bdc507c6c13a8e5037d5dc59a/67464354907.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/0f47b3fd45e888d648d6bfaa2ca7e483/saditulevoxupiw.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d892ccca7a---givuwesimotolanikasozona.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efb443f802---puloxuzaxivejo.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/26or2t9gp1v86j48jqq0c2due4/nirekomununofudexeferip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=val+a+chorus+line+monologuePDF 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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