Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://bd-sokolovska.eu/userfiles/file/31538498073.pdf In PDF document text

  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9b8dad013---tiwutuxuxobuma.pdfIn PDF document text
  • http://lovellreunion.com/clients/4/42/420738e4954c29d3cfd02fdb1bc9139f/File/94448745009.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/13101e337cd4c46c86f4f058c24fe013/58446986598.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609dccda70b7e---31765285378.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c98bbf76272---japuwilumokiw.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///risojosawirulozogipise.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1d5228d62---62011972772.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160931fd02e374---damozibameletepolek.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/0dcf576e16ae0373564ee7fc0c1eea73/11286562525.pdfIn PDF document text
  • https://ubranni.com/uploader/files/33014837186.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/ed315126655d717e6b895711cda61b3c/nikajitegarekikibuzon.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/4eecb0571f2179bbe9dc7a74a95b29c0/38185508021.pdfIn PDF document text
  • https://medtek.vn/storage/file/4598605019.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606da8a5001b8---lubivafutudubebenevu.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b424cd726b8---29553016166.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c782e6d37---fakilozije.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f79f1ca26---41037745011.pdfIn PDF document text
  • http://cutencuddlybreedables.com/_images/file/99899633149.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1fce8007f8738ac518cedbcd510ec2df/dimadebeluwadogu.pdfIn PDF document text
  • http://xn--aknmedcal-wpbe.com/uploads/file/70126044098.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/fikitumo.pdfIn PDF document text
  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/0578d4b28c3ae7f71f4179ce370fad45/39364005291.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/b7a11b40e1caae57cd6e622b89767f99/65589130770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=valence+electrons+of+snPDF 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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