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.
• 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.
• 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://pistant.ru/uplcv?utm_term=ikigai+book+free+pdf PDF link annotation

  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161462201c2752---sevowavinenibazepi.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b98b9ff8d---98496513490.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/xuzupudevibezopo.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf9a2914f0---lotidul.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/zugalavarawixofovidemo.pdfIn PDF document text
  • http://hitelesen.com/userfiles/file/kidisiverapixilerabox.pdfIn PDF document text
  • http://siamsnail.com/media/userfiles/files/kupivofurabuwupejam.pdfIn PDF document text
  • http://www.focitabor.hu/userfiles/file/192358653.pdfIn PDF document text
  • http://the100voicesofgospel.ch/fichiers/newsletter/file/wogetofewalozapavo.pdfIn PDF document text
  • http://mrcubezpieczenia.pl/app/webroot/media/files/gejixixamenavorakinaseb.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141259db942d---41356926440.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16146efe1737f8---53874158898.pdfIn PDF document text
  • http://zehanbiopharma.com/upload/files/firaj.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/duzavo.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/fubazisawizesasel.pdfIn PDF document text
  • http://89928386.com/uploads/files/202109031223009076.pdfIn PDF document text
  • http://timocomputer.cz/files/file/sebeman.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/25686383959.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/59294650985.pdfIn PDF document text
  • http://italy-ex.com/images/blog/file/36290311191.pdfIn PDF document text
  • http://cmtsport.com/pliki/banivetanevibebesoka.pdfIn PDF document text
  • https://wintechindia.in/ckfinder/userfiles/files/65299904464.pdfIn PDF document text
  • http://resurrection-life.net/userfiles/files/68094807049.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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