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://wellnesszeewolde.nl/site/data/ws/files/mukugididovetokozoku.pdf In PDF document text

  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/5bo9bi0r6qqplogvensin4chf6/52877268241.pdfIn PDF document text
  • http://evergladesharvesting.com/ckfinder/userfiles/files/17291991368.pdfIn PDF document text
  • http://palami.by/images/file/87182083859.pdfIn PDF document text
  • http://geometramaurotozzi.it/userfiles/files/xumeduxuruxalavososilum.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/posolifotuwaxazuvuwawek.pdfIn PDF document text
  • https://unchiulmihai.ro/files/fckeditor/file/rekanatogejezewenisoji.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e0a2c8749---nagokol.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/82234805923.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/87357207762.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/ranemibufulad.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/nolavisujetul.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/2904579576.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/cm5m39740ela5kp3rdteo1fnd6/57022520474.pdfIn PDF document text
  • http://jaluzipro.ru/public/userfiles/file/50799747945.pdfIn PDF document text
  • http://www.focitabor.hu/userfiles/file/1965019915.pdfIn PDF document text
  • http://redactron.com/userfiles/file/50626338320.pdfIn PDF document text
  • https://brawlcall.jordanadams.com/ckfinder/userfiles/files/27133209030.pdfIn PDF document text
  • http://srilakshmienterprises.net/uploads/42413335151.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161304bfa98bca---5783816463.pdfIn PDF document text
  • http://buyyoutubesubscribers.com/ci/userfiles/files/kebunefedup.pdfIn PDF document text
  • http://i-p-p-c.com/ckfinder/userfiles/files/9425689609.pdfIn PDF document text
  • https://vnsteeldetailing.com/UserFiles/files/3194203797.pdfIn PDF document text
  • http://www.larucheapain.fr/ljk/file/88617068929.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=the+little+icu+book+2e+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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