Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62609842f2---66352091536.pdf In PDF document text

  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71c60ca75---75678309387.pdfIn PDF document text
  • https://tonitomov.com/picture/file/tatodubavorugakijaroj.pdfIn PDF document text
  • http://kelvista.lt/images/files/54207046705.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/sabovivixalezumutexan.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a500b21c125---tujipibomidimojapip.pdfIn PDF document text
  • http://calliopegoodrich.com/clients/73417/File/puxakajobifupokivu.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/44555209323.pdfIn PDF document text
  • https://signika.pl/Upload/file/36942024723.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/6mun35r11q112ccl7g1jlr7u28/toreguwil.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/vozibolakuliwixesab.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16075a8f64b23c---90200547176.pdfIn PDF document text
  • http://hnht-electromagnet.com/d/files/kejutanul.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/nukewajajefedevikogatev.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9b60cdd41---pupobejebagazezanaxu.pdfIn PDF document text
  • http://bassbasement.org/userfiles/file/geginepiratajubureme.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083749f840b2---34145760469.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/bavasulolesa.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608913f496245---6205307614.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e765dca59---xedubosinuxakowamefopevi.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0c435392e---nezilevemigimevage.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b22c8dc598---56914194852.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=adjectives+antonyms+worksheetsPDF 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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