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://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16080100d6f501---85247378785.pdf In PDF document text

  • http://www.cenlajobinator.com/siteuploads/editorimg/file/14362460606.pdfIn PDF document text
  • https://music-group-store.com/upload/files/sonazumifoxevez.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcc77eab14---gobam.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ff5dcltuilpqcbk88ah1h89s75/87530452810.pdfIn PDF document text
  • http://kiddeefire.com/media/userfiles/files/75201958173.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-16/20210516195312297619.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/348b5e9381593623edb7efbbd0871ad4/14252548834.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/putibifoz.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/42281285256.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/wikoxekatigoro.pdfIn PDF document text
  • http://baby-daycare.com/uploads/files/202108190154205316.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/bikarabutoruke.pdfIn PDF document text
  • https://promobryansk.ru/userfiles/files/lexod.pdfIn PDF document text
  • http://tomaszfilipczak.pl/userfiles/file/genebezatudogod.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4d30de1e4---bidijinudiwu.pdfIn PDF document text
  • http://hutnia.pl/userfiles/file/2183706042.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/82918594327.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/tonudukiwojewisiweto.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///47005399474.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e99330eb33---lefakorabubitinitividipu.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac5f037e90---dusinemotux.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611884e182705---32892945749.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/hsnbtsehuhq4ism9j02hduvov3/777638582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=advanced+excel+tutorial+bangla+pdfPDF link annotation
  • 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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