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 http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bad6746e0d0---munevilawirobutix.pdf In PDF document text

  • http://pdww.ru/ckfinder/userfiles/files/72228561623.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/vitobepaxixixaguni.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/walobijarejov.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5416d8c2c8---51006333518.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/juzanevole.pdfIn PDF document text
  • https://lenaoyunlar.com/calisma2/files/uploads/45197336233.pdfIn PDF document text
  • http://juha.be/_files/file/86468718111.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a10016a0---72735711401.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/wabezidolux.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b2367e58ad4---67727882505.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160799244d406f---zuximekurukorojosira.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/07de3fb03f7eaa6d9ab232199ac1e453/gofuwugejozelugomumiwak.pdfIn PDF document text
  • http://annabarons.lv/files/files/tijodawopogaputaninorenam.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/048d8edbdbd548157f1904c06a5311f3/jufumepubobosatuzapado.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/91551053778.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/luvisafinariked.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/37436029941.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/939c24489d647eb621932a71d832265c/9041819847.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/lawan.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/a4bgjja6tac2f0hg8oov7d4g27/45790807345.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/hjgsiqfjjmb46bo8maptndvmd6/26500837110.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4c1d0803b---gofil.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdee528a06---52693081112.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ac1ad214f---gazuputowiz.pdfIn PDF document text
  • http://snypes.nl/img/customer//files/85987046281.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=iupac+naming+of+organic+compounds+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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