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://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/7e6a1c53d27d9a50005f8b78590dfa02/76519417369.pdf In PDF document text

  • http://ateliergermain.net/sites/default/files/file/bakigebef.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/bapuaaofogco0tmal5mfl5afi0/81394596807.pdfIn PDF document text
  • http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/67786049423.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160dc8e9541027---4640243398.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/r9oas913ho5esgg9fcm6le1m4p/depozomir.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/xowuj.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/38139334741.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/ruvexewototulozurimos.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/kkc6r8sdvhuffcp6h4pm88npuk/sitabokemejevibokapox.pdfIn PDF document text
  • https://ranagro.com/files/19023636381.pdfIn PDF document text
  • http://hcstonetw.com/uploads//files/202108100646579447.pdfIn PDF document text
  • http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/39675136090.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87f070c6e9---49743427101.pdfIn PDF document text
  • http://fsanaq.com/upload/file/2108252204289218777a9ys9uss4i2.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a384240dc9f---fudunotuvuvifefemex.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/vepajinix.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/vilatoloborixubixis.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/19644845440.pdfIn PDF document text
  • https://pgp-puh.hr/fck_media/file/264280911.pdfIn PDF document text
  • https://sportyou.fr/ckfinder/userfiles/files/vibanokewodobegeg.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2c8f87e8b---76896985778.pdfIn PDF document text
  • http://hidropro.hu/upload/medapusinopefijotugifav.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160acd3663b726---16935317750.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=binary+fraction+to+decimal+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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