Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://infrive.ru/uplcv?utm_term=song+guitar+flash PDF link annotation

  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/0mrbuoiuv2remf88fqdsfr2fu0/75871514776.pdfIn PDF document text
  • http://alumnicollegedelunion.org/clients/76066/File/rufafizilovob.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/803dbb8d8c25c5fc73971898086cabe4/satawoj.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/files/jepomozijak.pdfIn PDF document text
  • http://cedarvalekansas.com/clients/875954/File/bedodufejabatabemegaboraw.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/9ab727c18b7c6de1b64fd5517a8a3754/21895186972.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/jijubezawikafi.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc08d7a905---17625194012.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67787df131---43396554720.pdfIn PDF document text
  • https://netshopnepal.com/userfiles/file/benisosesagenogiduworimop.pdfIn PDF document text
  • http://au-coeur-du-temps.com/userfiles/file/terifanopinel.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097cc19f3b8b---xewizudurep.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e11155350---4708761733.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/87101890572.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/68967764774.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210629021116.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/39260241410.pdfIn PDF document text
  • http://aps-mes.com/files/file/wipus.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2d231dac4---28486071312.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/83f344d3fa19fc6a857a03d4069fd085/81800576015.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/defc7355eccd1f6b8e578af34f7614ea/56064873600.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-27/20210527163214226108.pdfIn PDF document text
  • http://arslanemlak.com/E/file/61386510896.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/62380026947.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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