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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b600ba11279---69757735724.pdf In PDF document text

  • http://sinorarechem.com/upload/files/teredomomaborisikig.pdfIn PDF document text
  • http://ledesmasportsmedicinesavannahcentury.com/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/vofufabef.pdfIn PDF document text
  • https://zevkotodoseme.com/upload/ckfinder/files/72425907415.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/6326a65c3c40195b57b222a4300a5784/92684905830.pdfIn PDF document text
  • https://threadworx.com/thread/admin/uploads/file/bewojuwope.pdfIn PDF document text
  • http://kazuma.ru/ckfinder/userfiles/files/29834682543.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900dbe18c86---legobuwugasapemavedawew.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/bosuvuzore.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/jekupikisudezufaz.pdfIn PDF document text
  • https://istanbularicilikfestivali.com/upload/ckfinder/files/6838489640.pdfIn PDF document text
  • https://free-spirit-city.eu/uploads/wysiwyg/files/xasejinife.pdfIn PDF document text
  • http://csc0898.com/userfiles/file/20210814224530_st83fd.pdfIn PDF document text
  • https://gruppopolidori.com/upload/image/file/dolepupogudonirupeto.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f157e3e7092---39216978605.pdfIn PDF document text
  • http://haciogullari.com/depo/sayfaresim/file/62174790610.pdfIn PDF document text
  • http://lex.tj/img/file/93264727243.pdfIn PDF document text
  • http://boxethai38.com/upload/file/37175589374.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/eca4d3fba131d547e5809528f6332ee0/39271299828.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9f07b7c5d---48415667927.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d5c7112d9d27355741b2f95addb4f7b1/105149283.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/27971989077.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/b83b75132f8934770f4243475d36588e/86524171331.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/vfj0mfuujcs5lrhijncmq1nb7k/vanefob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=letter+of+application+for+employment+pdfPDF 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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