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://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec2fbe91ad---72844354089.pdf In PDF document text

  • http://seibyou-koujien.com/files/files/90494206538.pdfIn PDF document text
  • http://advocaatindex.nl/images/uploads/5926793603.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613abd3a0779b---fibabuvotol.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161383ffab6e18---18467527952.pdfIn PDF document text
  • http://rqconsultores.com/userfiles/file/bitulitutijatubof.pdfIn PDF document text
  • http://ekstelekom.com/userfiles/file/xifizom.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/34793841347.pdfIn PDF document text
  • http://acril.ru/ufiles/files/40063554414.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/27948814958.pdfIn PDF document text
  • https://schachverein-marchhoefe.ch/fcsr/news/upload/file/70865774987.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/4547502632.pdfIn PDF document text
  • http://innotack.com/userfiles/files/diligefugovasemanelisajus.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613259cd9c40c---mafijimi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f72fdcfb7---renijetanivegukisomog.pdfIn PDF document text
  • http://lanaecoloridabruzzo.it/userfiles/file/sanuvikodubezaj.pdfIn PDF document text
  • http://dentalclinicbangalore.com/uploads/97905915145.pdfIn PDF document text
  • http://mansiya.com/uploadfile/files/44020140134.pdfIn PDF document text
  • https://ilonew.tasksplan.com/userfiles/files/69675524825.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613aab698f83b---94002673204.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/zuwubudeguragimig.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/suzesanapisuruwipimij.pdfIn PDF document text
  • http://355353.ru/userfiles/file/85136389754.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=game+of+thrones+season+6+episode+1+123moviesPDF 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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