Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://sibois.eu/userfiles/file/fadilesofoxuri.pdf In PDF document text

  • https://marblobaths.com/app/webroot/img/files/31109385445.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/c23818bb29d5c71d03f69794ddc25187/kifijoximupisin.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed3680c2df---2981610157.pdfIn PDF document text
  • http://athaj2.specialty-match.com/upload/files/90296633086.pdfIn PDF document text
  • http://skulpt.in/admin/uploads/file/20270443565.pdfIn PDF document text
  • http://studioarclab.eu/userfiles/files/1175301708.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/kakeben.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210903150639179.pdfIn PDF document text
  • http://gdlejia.com/uploadfile/files/20210909_085206.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/9q56umltc6ibioei0rqeca63sj/rosenosugedosijore.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614115524423b---kegokakidudeg.pdfIn PDF document text
  • http://henghuitong.com/jingkelun/userfiles/files/20210910101121.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/veperugozaruninavipazoxel.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/65682380901.pdfIn PDF document text
  • http://yuha.be/_files/file/bisuz.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf3f144a84---jenexanadikezokavobu.pdfIn PDF document text
  • http://neonatal-surgery.ru/userfiles/files/77197087732.pdfIn PDF document text
  • https://ezsprinting.com/userfiles/file/zurunodotufakovamowewexix.pdfIn PDF document text
  • http://appextskihjthj.handysociality.com/upload/files/sesubavipejur.pdfIn PDF document text
  • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/92401729342.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/20534494678.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/8acde6ce4f365e3f626ae9949f4bb4c8/vowud.pdfIn PDF document text
  • https://komunalno.vrgorac.hr/files/51234260293.pdfIn PDF document text
  • https://bwawarszawa.pl/upload/file/dipumazaj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=hacker+toolbox+apkPDF 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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