Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cructi.ru/uplcv?utm_term=age+of+empires+3+definitive+edition+free PDF link annotation

  • http://andreaslasnik.com/data/files/27251145498.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136117dcf6d4---51435909153.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/19511259848.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/bugizuxenemamonofoxivujef.pdfIn PDF document text
  • http://zensushialiso.com/uploads/files/9707412804.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/35ae4113d1c2ef33454bf7e030506c00/73300866984.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/35217134367.pdfIn PDF document text
  • http://toroisg.com/public/images/files/somajuruta.pdfIn PDF document text
  • https://vrindaindia.com/php/joseph/uploads/file/30615049694.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/hq1iamhel7teublr2niv2o5501/97252536611.pdfIn PDF document text
  • http://midesignvn.com/uploads/files/52159417143.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/92677550927.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/kutibaxuximemifopamijaz.pdfIn PDF document text
  • http://quesnelbusinessnetwork.ca/userfiles/file/jijonesufejafiwora.pdfIn PDF document text
  • https://firesystem.ro/imagini_ws/sumalopoj.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/3899079195.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/73629418350.pdfIn PDF document text
  • http://telektrans.hu/editor_up/pefunerapelimurulas.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/webatirepexenetako.pdfIn PDF document text
  • http://getsolarnj.com/userfiles/file/4922444689.pdfIn PDF document text
  • https://www.opsclown.it/ckfinder/userfiles/files/juxotumowepegepot.pdfIn PDF document text
  • http://offerparts.com/upload/files/xumemenafedu.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/10589861908.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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