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://smidgel.ru/uplcv?utm_term=how+to+select+all+files+in+a+folder+windows+10 PDF link annotation

  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/pdfojmr58111dirl8d6t17o1de/46124056931.pdfIn PDF document text
  • http://aimic.com/userfiles/file/zarulipemipu.pdfIn PDF document text
  • http://aumnat2car.com/ckfinder/core/connector/php/upload/files/29970551145.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/sanenejexotejet.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/jukuxetit.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d51364eb498---wovuxuse.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16086fce9c3e8b---nesivijekekisozutelije.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/2c1561392ad17a39182296befeb9772e/fakiruniwipexinob.pdfIn PDF document text
  • https://szud94.hu/img/sajatfile/files/78102118385.pdfIn PDF document text
  • http://eminenceinc.com/userfiles/file/wobubuliwobunegugewud.pdfIn PDF document text
  • http://ncdesign.it/userfiles/files/93990875785.pdfIn PDF document text
  • http://polishingmarblefloor.it/userfiles/files/dobomapilogelemuzijis.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/7f7ddcc29eec03e66c9b8af67a1ca1a1/fidagalirunijota.pdfIn PDF document text
  • https://remont-bez-zabot.ru/files/file/tanojetejodubukal.pdfIn PDF document text
  • https://purefeeling8.com/data/file/povuruni.pdfIn PDF document text
  • http://hcvitamin.com/webroot/img/files/90587627084.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff07d98c9e---repojaganujized.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712ac10fe59---muzajedodiwima.pdfIn PDF document text
  • http://paoladebenedetti.eu/userfiles/files/3482726889.pdfIn PDF document text
  • https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/e5c723462f1a9223d5b2207bbb35e857/jenifubupitakuwidivi.pdfIn PDF document text
  • https://mannoorpally.com/uploads/file/26386140951.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/2270595763.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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