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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/q9fph8rlo3ccmdi1k03o30452p/58771114978.pdf In PDF document text

  • https://nilsahost.com/calisma2/files/uploads/31709615141.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/72083f68831258925f86f4471569ff65/tavedosil.pdfIn macro / runtime command snippet
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e7f7a2552---vivedovojavalero.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ca8e25addd61440b98a8ddb5e6efab33/69674857146.pdfIn PDF document text
  • http://boek.se/bilder_umeny/File/56445451421.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca9a84a0bd---pagojeditatab.pdfIn PDF document text
  • http://om-ar.com/userfiles/file/94909997797.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/mibejagoso.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/u7jkoph682hpiqkr0o67hkciuv/ratimazil.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ansuimf0lbg2uavb938gm6n9pe/15703433473.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/fd3f6366c3eaffbde213b9db27968e5a/48785779791.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1610901abe0421---87631368841.pdfIn PDF document text
  • https://ngonluathan.com/images/ckeditor/files/zafojevu.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/pajedavogifofovividojir.pdfIn PDF document text
  • http://irishheritagesociety.net/clients/7/7f/7f3653e4c5d791bf76f28d2bf9929747/File/32734863154.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/c41d064827c34ba90e65fd5aff8a7a6c/42296755545.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/jfsc3riskcj3gcphkb7uvr6kp7/jowitebawurorudizipagat.pdfIn PDF document text
  • http://feuerwehr-mittenwalde.de/mediathek/files/97443191270.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/nhhd5ni35skt7k8qn6bgruo2u0/lovotovovugexiri.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ec3e74138495afbd08b62411d0fe2dd9/10385375835.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1611ea736a934b---pelizuzatojirije.pdfIn PDF document text
  • https://nilsahost.com/calismIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=purpose+of+expositoryPDF 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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