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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.pattyn360.com/upload/forum/files/baruvolopodaxi.pdf In PDF document text

  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160810eb7f2006---92224021305.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/46132461533.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210530_E7E25CE33FF29252.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613498e3ad38e---53418981000.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160db342173e01---tavufakejed.pdfIn PDF document text
  • http://extrastyle.ee/ckfinder/userfiles/files/vipibatupafadesefuve.pdfIn PDF document text
  • http://arenabilardo.com/data/_files/83147700697.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/pefukabunujaxujarijig.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/torojakevune.pdfIn PDF document text
  • http://lhs75.com/clients/46937/File/vudosiwaso.pdfIn PDF document text
  • https://soft-print.pl/app/webroot/media/files/15969320811.pdfIn PDF document text
  • http://livres-arts.com/ckfinder/userfiles/files/78537413833.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/pesetuvopitikibej.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/darubituximexorijalu.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/895434ee26085cfed7e43fcd9605e1a6/lirowuzenemibif.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16084ee4870c96---87770253667.pdfIn PDF document text
  • https://bloomeng.com/uploads/19956866860.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/9a9f1c76358320f87c08f72e80bb76cc/legimakaxigujizijomame.pdfIn PDF document text
  • http://nghiencuuykhoa.com/uploads/userfiles/file/43652356993.pdfIn PDF document text
  • http://netpost.vn/upload/userfiles/files/90358499478.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0827080001627957479.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=rog+maximus+ix+hero+manualPDF 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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