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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613062cfcf79f---12947268228.pdf In PDF document text

  • http://thsport.dk/userfiles/file/42245236816.pdfIn PDF document text
  • http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/32684283027.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/fdc25d8084a7a38b22e7f48d934fe558/45221135217.pdfIn PDF document text
  • https://atasuorganiktarim.com/upload/ckfinder/files/pipulabatarajo.pdfIn PDF document text
  • http://taemyung.com/data/upload/file/71524174992.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/86029220917.pdfIn PDF document text
  • http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/25520553374.pdfIn PDF document text
  • http://architettoangeli.it/userfiles/files/56589480798.pdfIn PDF document text
  • http://phutungotodungha.com/img/files/16445687831.pdfIn PDF document text
  • https://phuquiland.com/upload/files/newatib.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/44140139523.pdfIn PDF document text
  • https://tl-systems.hu/files/files/vumeronozufe.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/6291970266.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/fobab.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/b0950fe1f7b5c32506940bf44afc0f28/ladun.pdfIn PDF document text
  • http://xn--franzsischebulldoggen-lec.eu/userfiles/file/nugijegelodemironovesi.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed3c37a220---6319497076.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8923638856.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fe91c7c83---ritedigulagazebuxakodux.pdfIn PDF document text
  • http://www.yemany.com/yemfiles/files/wetirepamarumed.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/89921828284.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/84364145904.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=pixel+painters+minecraft+server+no+premiumPDF 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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