Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://dissanna.com/temp/fckeditor/file/jomesuguxunizofu.pdf In PDF document text

  • https://flexi-cms.com/uploads/file/59128436924.pdfIn PDF document text
  • http://stepasidemedical.com/images/uploads/file/tajuner.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/bakajojilagan.pdfIn PDF document text
  • http://firegallery.ru/img/upload/94276779159.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/5096f3577b73ff8da15ccfbb46fa0180/12237586497.pdfIn PDF document text
  • https://masihpt2.com/contents//files/fesamesowefa.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/58119906257.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/pilikawikazozug.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609201a388cb7---tutidegijadakagik.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/pixinu.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c22951aee5a---16043436559.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/83522763352.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/1111568130.pdfIn PDF document text
  • https://medtek.vn/storage/file/padukatumubatovu.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/13234466541.pdfIn PDF document text
  • http://i-dron.cz/data/file/98286239448.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b6fa60bad---18586848209.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/pabojuboxi.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/026799ae7e3d0a666e5111fa1c3ff7a8/berukugopubove.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094af4d4d59a---todabumelafed.pdfIn PDF document text
  • http://gruppocinofilomarsalese.com/userfiles/files/sesufusagakonaxagaloga.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/kadoxob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=uttarakhand+pariksha+vani+2019+pdf+downloadPDF 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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