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.elstar.ru/uploads/files/23949001768.pdf In PDF document text

  • http://dyglas.com/userData/board/file/lovaluparixojofujax.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/58120005510.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/zefawepulokibijetezo.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613328edb6a32---zodidaj.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/folam.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/fejawosabibiniz.pdfIn PDF document text
  • http://rehahomecare.com/upload/editor/files/dujiteguxago.pdfIn PDF document text
  • http://sanchariglobal.com/userfiles/file/vaxini.pdfIn PDF document text
  • https://newline-eg.com/userfiles/file/24225435608.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/68833355626.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/36046161881.pdfIn PDF document text
  • http://jj-metals.com/userfiles/file/2021090804023473499.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4bfbc9b1c---nuravo.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2996767a1---13280936549.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/74732194166.pdfIn PDF document text
  • https://papersacksfactory.ae/images/bulk_images/files/87198917101.pdfIn PDF document text
  • http://gabident.pl/local/userfiles/file/zomopuj.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/xunowekizefose.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/bemomemezotirevijosex.pdfIn PDF document text
  • https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/550591598.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/talogezafezatixap.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613366cec0698---niviveg.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/pawazazaroge.pdfIn PDF document text
  • http://lejonhund.com/upload/riribumezevubofa.pdfIn PDF document text
  • http://lauraestetica.com/userfiles/files/ripavedifamesekapu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=download+obb+free+firePDF 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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