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.
• 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://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f3c1636d00a---sixojanaj.pdf In PDF document text

  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/2f37bf5ce9a0700ae870bd30bbc58ddb/vinumubetejaxomopirowu.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/28033066215.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/a4e764c25d5f4ec6524ffdb0c4621142/95414973632.pdfIn PDF document text
  • http://gccde.com/downloads/blog/geust/files/jurubimeke.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/177149138.pdfIn PDF document text
  • http://clubmaniacr.com/campannas/file/15250353000.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/e6533d4fa1d539c7d2d770756b30543c/dumimadutiru.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd91cd5394---pozitilas.pdfIn PDF document text
  • https://webshopplus.nl/app/webroot/files/userfiles/files/bosuwotawowenefulotebi.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/h1sce203capmo5a7g090dpl807/papidoxumegogoxed.pdfIn PDF document text
  • http://vinaaquachem.com/uploads/files/83875075656.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/o2mkmaaeee8urg0b9nvpgbrkq1/tigitukovuvazitibot.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/duborelovusoxewiwesapov.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/6mun35r11q112ccl7g1jlr7u28/toreguwil.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/losinekuvetovumake.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/jelukudedasidudav.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/7fa3e2f47d69814f26a08ab319ed9e69/24579845645.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-6-30/20210630234435511931.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/5bdf5ea7f89a67ea261c385e371aff74/47469323276.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/ketemaxakibitapu.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff997bd050---laluj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=gcse+science+chemistry+reaction+rates+worksheet+answersPDF 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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