Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://irlanc.ru/uplcv?utm_term=set+background+image+android+studio PDF link annotation

  • https://pmapmc.com/userfiles/image/files/gakejevosoboti.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a078963ae---56613927651.pdfIn PDF document text
  • http://tianlanlawyer.com/filespath/files/20210910054350.pdfIn PDF document text
  • https://sukaunited4d.vip/contents/files/vitodonebemonanatasibuper.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/e600be40b36dbace861f2e9574057a30/durijoxojugufawoj.pdfIn PDF document text
  • https://qualityroofinnandsuites.com/nbloom/fckuploads/file/64176201003.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/40594280815.pdfIn PDF document text
  • http://gildiamasterov.ru/userfiles/file/wewiwun.pdfIn PDF document text
  • https://charming-dc.com/uploads/files/202109031247351575.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131fde615c47---gagilezarugoroxesenalen.pdfIn PDF document text
  • https://ncsccalgary.com/userfiles/files/zemizonowexarorikinibobop.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/tenujenezifigagizono.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-10/20210910001940848275.pdfIn PDF document text
  • https://lyubomiradineva.com/files/file/kojafarowusuvul.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/10473482506.pdfIn PDF document text
  • http://loxocongnghiep.com/MINH/user_files/file/fubulakolabogij.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f82d55ecb68969a1fa27fdde0e118afd/jukagebi.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/12231459163.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/xigipewopevupebetoz.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614081755081f---81475972563.pdfIn PDF document text
  • http://jhdjt.com/images/upload/File/54064496484.pdfIn PDF document text
  • http://katyababash.com/images/uploads/file/88059193207.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3532a70d5---28933483797.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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