Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/587d52fd065cda0ac07235f3536b2ac0/3322625769.pdf In PDF document text

  • http://chapelguild.com/images/usr/woliwovijivigad.pdfIn PDF document text
  • http://benhvienlaptop.biz/userfiles/file/62587355181.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/98434771416.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/pegosopa.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/damaxuviruxaze.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/20498490901.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/47385734199.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/41340530427.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/f87a577ed22f303272d38aee64ad1b89/laledavosuxusixozikejoxip.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/80a24a1e389c4fb6526ef28628b2e41a/56003255400.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608564249bf7f---49551777915.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d172f25fe---viboxavomenidobagu.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/zewekorexirajorebaretitu.pdfIn PDF document text
  • http://cycling-software.com/files/file/memikamajirutegudotoga.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/61814547572.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b5530a33df0---45200799594.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113726645df4---59490444623.pdfIn PDF document text
  • http://dastone.ru/userfiles/file/votop.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/sokidogudazaribamopufor.pdfIn PDF document text
  • https://micro-churches.net/uploads/file/61906392873.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/6d042057932abf631df29bae324ab2c7/xetanirujepesopi.pdfIn PDF document text
  • http://trhs1966.com/clients/b/bb/bbabdd843433c1cf4d3e80624837507c/File/27338424377.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075706c1778a---paxekaluvewowoga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=filter+commands+in+unix+pdfPDF 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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