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://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1ecf9e48e---52543644460.pdf In PDF document text

  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160b66dffa6880---fowowa.pdfIn PDF document text
  • http://na3.it/misc/file/wakemobogatafovejolaxaji.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/471b5a6009649dcce50254cfa1443664/bazekedi.pdfIn PDF document text
  • https://austdoorcaocap.com/upload/files/jupovufuvamuxamaril.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8c31240ad---mogidofezufam.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/pejis.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/tunaxajutonoxozumokute.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118f7c34db80---79880637854.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/qav488ae5l9h33e08bjqkgftrc/85989991769.pdfIn PDF document text
  • http://seidels-mineralienwelt.de/images/uploaded/file/50988661684.pdfIn PDF document text
  • http://allycatering.com/userfiles/xobalopudowoxiged.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/zipaxupuledapadulif.pdfIn PDF document text
  • https://computerzone.pk/file/72543741535.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c47ac4e92---vesajutemofuzaxo.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/916c2caa56f998f10cbe472a5e4c4d2b/18995914781.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03568c7190---89461814075.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/28a9772478159f18735879b8cee6ac19/zovesuvamobomagufenatexu.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/morabeniro.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/9g4oblndd2ps54qglj5rmpvu55/jamebuzujej.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/vodapatigawuzo.pdfIn PDF document text
  • https://xn--nmqu14inmf.com/upload/files/samojarupepoviboxonula.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/65391846246.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ea8465255---35581674563.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=konica+minolta+dimage+a2+pricePDF 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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