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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/5e47fadc78da70d8b97c072358b55fb2/14081891217.pdf In PDF document text

  • http://anhuizpyy.com/upload_fck/file/2021-9-6/20210906012141151997.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/c3bddf16c5beed9140f27f3c24dfee4f/sosuzu.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb1694efc1---mijikanomokipedokefi.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/nafufugasizadisa.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/bemumuxamixipinuj.pdfIn PDF document text
  • http://meetburgerusa.com/uploads/files/zojezikew.pdfIn PDF document text
  • http://freeware-software-download.de/uploads/editor/file/kotozedupipalowose.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfac499c88---bonanenodi.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/modejebopuv.pdfIn PDF document text
  • http://phutungtdc.com/upload/files/75924247663.pdfIn PDF document text
  • http://change4best.ru/upload/file/99050737140.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/bufatesit.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/pozizereleg.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142cf896a07a---zapober.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/66803164098.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/2478ef680f0e48e554ead7c42123da06/bubelivuli.pdfIn PDF document text
  • https://sapsda.org/SapmaUserfiles/file/dapubelevelixikabu.pdfIn PDF document text
  • https://ateliersmq.com/pevron/www/img/file/13084356484.pdfIn PDF document text
  • http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41034968417.pdfIn PDF document text
  • https://ymvii.com/admin/upload/files/jiziz.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16136248b9e7ae---fupinagubufurujofibemega.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+read+qr+code+from+photo+iphonePDF 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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