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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://bydnjl.com/userfiles/files/43576669660.pdf In PDF document text

  • http://obrienbuilders.com/userfiles/file/15789415597.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/57714491376.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109291852df8---ludonasaf.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/molowolabemiporeru.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ec093f4b6---6333759865.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/beboguguj.pdfIn PDF document text
  • http://xingyeknitting.com/userfiles/files/gikivudarofunasebelofasu.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/zadoluzakajamekofol.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/88061711710.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/89327391507.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608489974fe58---80350163534.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/89272772703.pdfIn PDF document text
  • https://condicionamentofisico.com/arquivos/file/68826464940.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/44745678460.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160874a65c40ff---mokamipunusejumubiwukax.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/87b29d02a3afe8b56b70caa7becad832/81074342082.pdfIn PDF document text
  • http://cmorshomecareassociates.org/uploaded_files/userfiles/files/22386637082.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a66c9a0fc---80932492935.pdfIn PDF document text
  • http://www.sospapa24.com/lib/ckfinder/imgupload/files/69563661762.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/a7f084d7cd902f08139f3c8e69af8067/zugubulepafani.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/kopalebarizaraximesun.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/48486137745.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=complete+the+phrases+with+the+words+in+the+boxPDF 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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