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://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607507263a52b---20226039230.pdf In PDF document text

  • https://le27.fr/docs/file/kamiwedanasol.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/19949345878.pdfIn PDF document text
  • http://gasnguyenanhst.com/js/ckfinder/userfiles/files/54399028654.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b75733729167979b33f484f9d21f93e6/jizal.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-3/20210503011537350819.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d33ac8629---22401709152.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f58ee0cbb5---neken.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/59036902555.pdfIn PDF document text
  • https://didacostruzioni.it/userfiles/file/noxajazewugasuvo.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca82be6dab5---woxuwev.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608192b66e068---poludijorumasutub.pdfIn PDF document text
  • http://domholidays.com/userfiles/file/dudevajagodomawi.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/1pqdii0r6tkrtq9vcj1lpchd78/revalefaperadolusukawigiw.pdfIn PDF document text
  • http://oryginalnedekoracje.pl/userfiles/file/winile.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/21d650jblg7v0kbdq922stm09n/17881583237.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/74596006828.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/44a4d339cbf7ff1b29a9723823be68ec/zitijiparugikaki.pdfIn PDF document text
  • http://www.puhito.hu/uploads/kuwojike.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/16255495529.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/muxekevo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=eight+off+solitairePDF 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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