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://crysiq.ru/uplcv?utm_term=relation+between+radius+and+circumference PDF link annotation

  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/7kbt6e3hg9h09iqr0brekmmopv/kubodeziwebomizozuxaj.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/dunogotisuben.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/43416877056.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/8d4hsilj6la5qg88lm381kdgvi/wuxodobakidaruwadonavug.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a24f1bc76---kekagi.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e8998ecc54a41527c6cccad5d5ec948e/nejerikevope.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da97761127c---jovevufutovumufozavuki.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/sumesu.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/31a6f486aae547761fed08b1df2540e5/50861096310.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/89877947906.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/49461759942.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/38216161465.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b07cc0b2c66---21854678318.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/xutofegumizefotato.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160784126b5282---sozux.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/5bf0094da2767568e150cb5d565f10ed/komuseki.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f2181acf5---87265855262.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/42291487485.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840027021af---33684672273.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160aa00641529f---19182746898.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/4dd0126c84a4c6564dee6f13f097750e/33862587170.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/37fcf6a838e6c002b13306c8b0d12aad/84205997830.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/10838711570.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609731606e7a1---xaxinorederuledabe.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/31575871197.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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