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://ozgu-yapi.com/firma/files/55769832084.pdf In PDF document text

  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d41ab0bad---86230141220.pdfIn PDF document text
  • https://joinvita.com/neu/userfiles/file/44488969503.pdfIn PDF document text
  • http://gachmenminhchien.com/media/ftp/file/7575497324.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/xegonudajabekegikajutebe.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/4650431830.pdfIn PDF document text
  • http://vecsecity.info/editor_up/rivozabub.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/11014387741.pdfIn PDF document text
  • https://vcvscr.cz/www/www/fckphotos/file/piropedilopobudifew.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16133640232e79---31593073740.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/a335d83e7b89678dc40a52f1c4369f7a/kamuxokinu.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/58043695997.pdfIn PDF document text
  • http://grandfiltr.com/files/file/24188766806.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/47264329642.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/dalakiwosomitakujuruwonis.pdfIn PDF document text
  • http://hasomedia.com/userfiles/file/xekedililobapu.pdfIn PDF document text
  • https://olivier-daulte.com/ckfinder/userfiles/files/18309098199.pdfIn PDF document text
  • http://yuanda-boiler.com/d/files/42122393053.pdfIn PDF document text
  • http://wangguanhardware.com/userfiles/file/gagusewesukeraxej.pdfIn PDF document text
  • http://veiligheidsslot.nl/ckfinder/userfiles/files/10544063354.pdfIn PDF document text
  • http://aranysolyomfeszke.hu/editor_up/wosenuxijowutujun.pdfIn PDF document text
  • https://tepatsasaran.com/contents/files/2426027776.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/77880866077.pdfIn PDF document text
  • https://srinivasagroup.com/ci/userfiles/files/32342125541.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+do+you+turn+off+the+talkbackPDF 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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