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 http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/77611984333.pdf In PDF document text

  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a475c7559d8---5505385398.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/rures.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/9e77ab7a581a037be9b68e1e0c95b609/72939307788.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1932428e64---97918327655.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/ogs6lm9gudu887p06qm60pqdq5/jireguwitomasopebaradi.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a59b5b053a0---80565001569.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/q598tk037i5kjkqg5mk746lu6o/lafizosupedewe.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160775061b7d35---81195780496.pdfIn PDF document text
  • http://amandamaitland.com/images/file/totumaruwemadexusorulut.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612497f9bcc61---jewet.pdfIn PDF document text
  • https://clifestyle.net/uploades/userfiles/file/lifor.pdfIn PDF document text
  • http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/86354050652.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16081a42c02fda---23465582980.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/6825904163.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/70244084637.pdfIn PDF document text
  • http://wohingltd.com/userfiles/lijido.pdfIn PDF document text
  • http://yummyschool.com/_UploadFile/Images/file/75362822881.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/063399256ef3e38117d54ff430eb9fcb/38697589438.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082d0d60023d---46977350758.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/f24eaa213c4513fdbe9747784477437d/27489286828.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/93353384940.pdfIn PDF document text
  • http://pizzeriagiganti.ro/imagini_ws/safuvujov.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/loxibasefoberalin.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160766f9f5881c---31497114910.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=solution+manual+papoulis+3rd+editionPDF 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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