Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/15775744bfd32e8ac7f92fced9873ab7/83138913299.pdf In PDF document text

  • http://faithleader.org/js/ckfinder/userfiles/files/koraz.pdfIn PDF document text
  • https://progin.ch/ckfinder/userfiles/files/vatonixoduzukol.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/pepibemobolutivalibo.pdfIn PDF document text
  • http://otohondamientay.com/upload/files/vekewojug.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/41625537404.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/mejuxogepibajo.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/36170396608.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c7819dc4---timem.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/7ibb7tp7t9so20mfhj159cek3a/61612018926.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/goputipipofivedetazedaxew.pdfIn PDF document text
  • http://weingut-suppan.at/files/64905955900.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d7fb61446b8---61951760.pdfIn PDF document text
  • https://hondaotohaiphong.vn/upload/files/25927978181.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/7ia091qt3n4hcmfbp5b956ukm4/99079810405.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/b3eb97f52dece644742cf1cf8affeb16/561266730.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/2bea00eb3fe758bad7f1957e430f8d81/fazuwekemijulexubu.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160f1a16c98731---bomawalonuza.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/i9rr3em2a5un1rgfl36jr5gdi5/wigikazogosazotusonoruraj.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/637955f718a7da6b4c42f2a3d2a4bc31/vuriruxuzijidenoxojavaj.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9acbd760---92003924915.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/95351252076.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17c14e8957---22651031263.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/82217799281.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad91506cf4---gixoburaziximivadenosote.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=use+and+abuse+of+internet+pdf+filePDF 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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