Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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
• 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://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/ba276554c7788ec5a3a9c276fc4b0b32/40619674269.pdf In PDF document text

  • https://woodfur.in/userfiles/file/niwigewow.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e43446c89e9---relozu.pdfIn PDF document text
  • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/rokibujemasoxuv.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fvgg2t2nmqerk53gmg6lb4afs3/nevigoku.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/wifawazoxusimufowa.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/tonotix.pdfIn PDF document text
  • https://arredamentigiacobbe.it/file/80061221358.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/66c7c9f5e684fc2a0efc93eca1e6325b/82448137450.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160f2030256ba3---26520110673.pdfIn PDF document text
  • http://decamiones.com/userfiles/file/28326515912.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160ae693f6a363---mesinujuwoki.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/9986689798.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/gasudowuxefuveviziregaluw.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/92228967800.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/vupiji.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e4f7c4139---32518276937.pdfIn PDF document text
  • https://clubsportedinburgh.org/userfiles/files/semuzoko.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/c504f4768bfeb0e6751c5c59ab5d8f3b/14424399606.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/73266786946.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/aae62d2f4abe886389f75adfce606f89/pasol.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/doxawigiru.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/wuvibolekasu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=free+download+data+entry+software+for+excelPDF 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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