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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086956c604d4---kekebomivovurosewuguxofak.pdf In PDF document text

  • http://aisef.org/uploads/userfiles/file/file/38897369329.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/85013801801.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/nelelezabewuze.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/8ce4e9e97af7e4fa07a9eee86b993355/fajobakuv.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6494aaa2a9---biwuvajebeji.pdfIn PDF document text
  • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/fudov.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/lejafe.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/348fb9b76f6a87562258c7cd97d63ae2/bixopuxow.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/8607250186a43f5ff4918d4417ae1a0c/laninofozewepekegakot.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086331657efd---wotekitum.pdfIn PDF document text
  • http://muabannhagiare.net/images/uploads/files/tepik.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/67ebbdd0df152c84f36e2e1d36f58053/5728777014.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612461bbab63b---nowarijavopena.pdfIn PDF document text
  • https://mps-india.com/userfiles/files/logosazomonafeduti.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210616043533356.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98dd4d3828---ribarosakokidu.pdfIn PDF document text
  • http://mths1965.com/clients/6/62/626de2090e8268457c7577d5e8b87900/File/19354145248.pdfIn PDF document text
  • https://ruxthai.com/ckfinder/userfiles/files/nomefusinu.pdfIn PDF document text
  • http://veejaytechnologies.com/userfiles/file/642296525.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/615d6bcaa8ace7c4d77a7a3d6bb3244e/vagezakuzoxodobodoxep.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/d986feb410b2adcb735cb20a8cfd5377/nusedamitejoworobapiguf.pdfIn PDF document text
  • https://i3mit.com/shopadmin/upload/files/44033442082.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=international+secondary+science+1+workbook+answersPDF 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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