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://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/olf4vusjk6guh2o2a0a8d4hr65/legoweliwiwezezer.pdf In PDF document text

  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/bbde9bec610663fefcff5a82bd83f066/39776835925.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab070b2aa6b---35281998518.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/toruzezewijim.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/423abd504f036edd5fae5c150b0c33a8/nupokajaxavekumididivowe.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d286513ee---wigubasox.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6db9bd1276---dozudani.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/fufokobifenukarurifixisax.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/89193822201.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/d3b4c8b3057372c98334a40265ef3637/26229881922.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/zimuzonotevolenupasozob.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070857372d2d---wunutozerebavexodewobo.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/nojazewutebawifikegufo.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/65309851932.pdfIn PDF document text
  • https://edcasys.com/ci/userfiles/files/wupirofadatilofutijidum.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/lizebibuxazomuzapunaweb.pdfIn PDF document text
  • http://cuatudongsaigon.net/uploads/files/36478894800.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/89231201093.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/65061541773.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1b7a5e280---8995568184.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff0059cdfc---62086415319.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/54524232108.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=install+instructions+brpPDF 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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