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://rijst.nu/userfiles/file/dabujunekarawofufurud.pdf In PDF document text

  • http://hyperasp.net/userfiles/file/betixurus.pdfIn PDF document text
  • https://x-software.cz/data/file/88437839344.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c75741a3---36380659911.pdfIn PDF document text
  • https://transpack-krumbach.de/_upload_bilder/_filemanager/file/96535196213.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/b3596f4c5b74a7ea4f7e6e49dc245eee/28198252616.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ce211f24c---xedopaw.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e9306fbadc98f7d73194f6dc60c794e1/1811066800.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/22731970981.pdfIn PDF document text
  • http://sevenseahotel.com/uploads/images/files/43349617097.pdfIn PDF document text
  • http://paradisetnl.com/FileData/ckfinder/files/20210705_5749A0C0C3C996E3.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/9dbeb31d19b534408097cd544ab1509e/373944642.pdfIn PDF document text
  • http://wallsfamilyreunion.com/clients/876683/File/gituvoj.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/92730920094.pdfIn PDF document text
  • http://stpetersame.com/clients/9/91/91902b33218228c9a3691be2563b71f1/File/42017860981.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160ee8918e233d---58266046638.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/2285732636.pdfIn PDF document text
  • https://mehreganimaging.com/images/upload/files/rifutu.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5fbb66944---56169287727.pdfIn PDF document text
  • http://www.kilincsweb.hu/fileok/file/6570173581.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/50844262054.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/85197997580.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=eternal+sunshine+of+the+spotless+mind+trailer+italianoPDF 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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