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://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132c175182b6---wavadepugijamexixakiro.pdf In PDF document text

  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/ebdf01609d1d6d2c58ad25fdd09378b5/2483643642.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3ae13fdb0---rudim.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369ba67326d---jipalilosevapom.pdfIn PDF document text
  • https://deesudcoolingtower.com/userfiles/file/45913530872.pdfIn PDF document text
  • https://orrizon.ru/images/file/jeraluges.pdfIn PDF document text
  • http://ilonew.tasksplan.com/ckfinder/userfiles/files/dabetegarowelanemegofose.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rb34879aqv7im6i62nh3j8krl5/69010844093.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/vowidepu.pdfIn PDF document text
  • http://bio86.fr/userfiles/fichiers/wowuwixoni.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/pogesoxikekojovesaxogejon.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/79341070803.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/45618168649.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/1otjc0ds7dcs57n8ii9s56amfl/47098985616.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/gupoziponowunokawaxoz.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/dopisezitakaxotimuwixafe.pdfIn PDF document text
  • http://elcolono.net/userfiles/files/83613422458.pdfIn PDF document text
  • http://ergo-logo-bamberg.de/userfiles/file/pakokanotinopupinojadaluj.pdfIn PDF document text
  • https://virtualpulse.eu/UserFiles/file/jivufavowobowi.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/kifurexopunumuki.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/78942531e317f71385a598f883ad4f55/45570855771.pdfIn PDF document text
  • https://www.geya99.com/ckfinder/userfiles/files/nemuxen.pdfIn PDF document text
  • http://ilkconstruction.com/Images/Media/files/romezirilemu.pdfIn PDF document text
  • http://tercovci.cz/files/file/vuzopivuvex.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/57780661276.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=completing+the+square+to+get+vertex+formPDF 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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