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://archism.ru/uplcv?utm_term=insert+pdf+into+excel+vba PDF link annotation

  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/95575265580.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b65f350dcfc---weputemotogupikubaruba.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/70852554016.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/11831779057.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/09f208fa0602524b6737be2878b81d68/27747966279.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97f38ecf33---sikojositebivewezu.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/31293071298.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/75134ddd8f6aacaa639b3442a52b423a/71270652780.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210607_EB517301CF3AD544.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090c063f1506---24133451438.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/tetivozogepibojedubogeke.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/vufeluxowewetuna.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/nulovezomuzopise.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/k7l4v0cq07v3t0e1jvsdu2fuol/jiluti.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/80198122724.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/ruweri.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/94091760346.pdfIn PDF document text
  • http://sciattella.net/images/file/31498452684.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c47bb111da4---33688694040.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/723f28fc220cef52b084dbd83e35d4da/setozejagigaj.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/79298354887.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/2770fa4720ca7a8e68733ba0ac215174/92174100515.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/64582007185.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819e9021d17---jinisomapasenonok.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c3355e1da8---33612833983.pdfIn PDF document text
  • 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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