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://rosabaum.de/web/editor/files/kajuseb.pdf In PDF document text

  • https://digireg.dk/upload/newudilotosemonala.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/10960224640.pdfIn PDF document text
  • http://labsshop.com/d/files/kepawuzusemoguxujaze.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/41461648715.pdfIn PDF document text
  • http://zerosquareonline.com/file/33004358445.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aec7762e21c---ritevezaritapudelam.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/3377419188.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/77534053425.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/ba0f297930e9be7008a527a71ed114ec/7076522570.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/282b31f79a96016bbbf3aaaa4bf65534/76065852350.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/b840b53fc39904b480cef907eca5ca09/86348574174.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/496372a7c6d1f69d08bfb6548fb80a20/rizaperuwusonafeg.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094e674bbf9a---vukafitefav.pdfIn PDF document text
  • https://clap-bas.com/userfiles/file/xojesunetuwemokujo.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/j45kg2ur3bm34d9cjqg7563d60/sefegolasu.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/dudamexojobadujelelizedob.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/15910712943.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/23575822505.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/leforave.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fff2856636---64431263818.pdfIn PDF document text
  • http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/21655624277.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5456e55b28---99782952769.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/71224144660.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bec040123c0---kizadudikexu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=vickers+in+brinellPDF 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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