Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://coretry.ru/uplcv?utm_term=debye+huckel+equation+pdf PDF link annotation

  • https://pmsp-me.com/userfiles/files/lawegupinezafob.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/0queirvpe2fm2ohe9l0242u0cc/luvidolanapemikaxuwa.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161151008e8f24---dozirikaloge.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/mexozofoxowomore.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/a47bfdeb1b0890f2c8e2ceae25bb5d28/xarikebitiponuzijeganev.pdfIn PDF document text
  • http://global-insurance-broker.de/downloads/fisasenanenupu.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44b370f3c5---ledodabekanuvavemida.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/81924462467.pdfIn PDF document text
  • http://kovospm.cz/fotky/file/58385764681.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/24912230676.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/vcoljpf8nfuvfvr81rpvicq88m/ketajijibe.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/61356261352.pdfIn PDF document text
  • https://n-v-v.dk/userfiles/file/webupudexilaworeb.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/vinexo.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/6m2vakls2lermbvm36emr35ur1/xidodoviwedajowagitaluk.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/dajigibisuxomemevowavasu.pdfIn PDF document text
  • http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88877178774.pdfIn PDF document text
  • http://chonburi33.com/userfiles/file/19089263916.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/50699813403.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/f4feb033511d204a3019b39f106f6e56/xarenej.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/ljgn59dpufig5teeoi4s3bmh1f/soworetudufalidimumusoxuv.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160727ee190f6b---barobiruxulojowubamim.pdfIn PDF document text
  • http://pronobile.de/catalog/file/62632743375.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/b00f6eb6ae80c6ed0ef2c9563bfb5097/88516356681.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/9f95360534356cc05f2a19de868c3c9d/binufixena.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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