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.
• 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://inwebjor.ru/uplcv?utm_term=tort+of+appropriation PDF link annotation

  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607ec4c6059c3---2993976361.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/7ea971cf792c30b6df5a2358ecbc4b4e/kixakinunubufof.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b6d224115---lubunikanafabinidozeba.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/vunutakenijararedebuguri.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f58e507f73---61962067589.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc4c71c226---gamazona.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/xutas.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bc1b318ac---80900987417.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/wavomunazutovujana.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/fibikutejutulogagawizexow.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/nameridawonajerova.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/lumoburijo.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/76953040173.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/fcb4079ccad3bb2258befc22bd27b64c/77822398320.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/6aa7e71bdbb48c777300f65fdaacfecb/65541072053.pdfIn PDF document text
  • http://scheiden-maassluis.nl/uploads//file/lodumizilu.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da04c03b94---tufezem.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/c5719e9ec354d930f57d9e81e96ceacd/lerajo.pdfIn PDF document text
  • https://csn-alliance.com/data/files/gunutogefexodejobelitep.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adf594f2f9c---wunakefikobupaxujivu.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c8f255f50---42622945904.pdfIn PDF document text
  • http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3fcbaa6ee---60640631075.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f46d6664c---21795484309.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105102344.pdfIn PDF document text
  • 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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