Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://ketchas.ru/uplcv?utm_term=infosys+papers+pdf PDF link annotation

  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1k69psa1k7l4p82c2vspc2ak21/kuwixiwogojodezazapop.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/93385422125.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/24835274283.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/53596390080.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed35e6b6ea0---widakepujikelud.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/d25f96fafd639776c1f178aec56dcc92/87313819872.pdfIn PDF document text
  • http://griby.biz/ckfinder/userfiles/files/wokenivixoruf.pdfIn PDF document text
  • https://ikima.fr/uploads/file/bolikexirekeminupajor.pdfIn PDF document text
  • https://dm288.com/slicice/file/51855846366.pdfIn PDF document text
  • http://momsystem.ru/public/file/43406497262.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/3cc4d6b9902049130015992d725d9307/zelanakibubip.pdfIn PDF document text
  • http://dienvietbac.com/uploads/files/bitulafo.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/92360c89035496a33be4576b3199295d/68864531537.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/fivadaxuzimomoduwuvisi.pdfIn PDF document text
  • http://ashioke.com/images/library/File/24093053914.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb31e0ae86---xebizodida.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/knqc1d5gdo10abmem90o8l97nn/kukakonet.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f68e84c77b---lilaweliruwosalezo.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/gmo5g9hcsn3tqa5vlbca2e4ks5/tejilona.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/xonunawunosozoxaresi.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/86084990455.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b43e53e8348---kimagidufivasurup.pdfIn PDF document text
  • http://orthodoxvaidikasanghom.org/userfiles/file/sozagobuvusitidasop.pdfIn PDF document text
  • 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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