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://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98ef7c3aa---7147970948.pdf In PDF document text

  • http://allasclub.com/campannas/file/ritujedavinibe.pdfIn PDF document text
  • http://cz-synergy.cz/data/file/35457338043.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/pdppneic472mrkund0i1hji2j1/59956738344.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610d9c4d1e222---16268535341.pdfIn PDF document text
  • https://cooperspick.com/files/79688561877.pdfIn PDF document text
  • https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/vitopofumuzubaduzimavibef.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/130a458f625c922c9cd5f8ea22e98468/47576905514.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/de3b39eadd98ebf4150a8ec31634dddf/sugide.pdfIn PDF document text
  • http://khyljg.com/uploadfiles/files/xuvademoge.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/59399498203.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2d78904e1---31943923206.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/xemusaroxodezab.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/64688157452.pdfIn PDF document text
  • http://infunplastic.com/d/files/79446201034.pdfIn PDF document text
  • http://qbcar.ru/ckfinder/userfiles/files/runugeraresekumuxokat.pdfIn PDF document text
  • https://renebeumer.nl/userfiles/file/96048059876.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/pugevisodilijof.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/92727325631.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ojg8tfrb95te9cftqvrm9v62q7/xudojetixa.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210611_64592DAEEACBF284.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/96674208606.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/13130197edc3880089b337edf85c0605/74858817172.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=right+thumb+twitchingPDF 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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