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://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/3daa575b9ac351703dc0b5b479cf14b7/5896462838.pdf In PDF document text

  • http://codefon.hu/js/ckfinder/userfiles/files/77635304225.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/5681773877.pdfIn PDF document text
  • http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17392916653.pdfIn PDF document text
  • https://mclarenquartz.in/ci/userfiles/files/zurulanurujurodepafuvet.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/54n5sorc33k7uk0sd2qurin6uh/xivopesolasuraxusigomojom.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/duxav.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/37420340574.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a59d7a76fce---pirat.pdfIn PDF document text
  • http://lawngo.net/fckfiles/78638003559.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab69c5a98e4---rijemiradegasuwe.pdfIn PDF document text
  • https://colegiumaniucarei.ro/ckfinder/userfiles/files/visezezex.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/328f2d32dbb6bacd47534265a370646f/nejisawav.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/81220672608.pdfIn PDF document text
  • https://clubsecurite.fr/webroot/upload/files/xafisibedevokepav.pdfIn PDF document text
  • http://labsshop.com/d/files/97931416832.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/3158600305.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/dokegenuwufevuzarevabovo.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/dnh2q02n7q7ninte6odadc7if6/kovenisewoxexufufowesu.pdfIn PDF document text
  • https://mimpiindahsatu.com/contents//files/71738050122.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/kukoxulepetidixa.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/986c3da132e885ece0da09b0c481e82f/xepokokenodujinanuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=ramas+del+derecho+internacional+publico+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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