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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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
• 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://wastran.ru/uplcv?utm_term=how+to+transfer+your+contacts+to+another+phone PDF link annotation

  • http://escritacontabilidade.net/fotos/news/file/63876639203.pdfIn PDF document text
  • http://j1ent.com/userfiles/file/20210905161258.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/wamakunurujepi.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/58101405408.pdfIn PDF document text
  • https://ctyhoanongangiang.com/userfiles/file/54100113274.pdfIn PDF document text
  • http://mascotdd.com/file_media/file_image/file/79636051415.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369bc31856b---38831153880.pdfIn PDF document text
  • http://basar-hemeringen.de/ablage/userfiles/files/tanavusuwezixuremifow.pdfIn PDF document text
  • https://tempegaring.com/contents/files/13007396665.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/67019916532.pdfIn PDF document text
  • http://begues.mobi/userfiles/file/kasafo.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132449205085---kalenumegasuxubemat.pdfIn PDF document text
  • http://de-ko-gmbh.com/ckfinder/userfiles/files/pogamabixigexuz.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/49860856083c1ac7f8b68c0e37021671/77013544360.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379aacbf537---77727460084.pdfIn PDF document text
  • https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/pejofugatotodiwolozujab.pdfIn PDF document text
  • http://islenapuntos.com/campannas/file/gizodifitukuwagop.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210907_33AD2E6E7946240E.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/10731771455.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/73856209290.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386ce0808e5---88262356320.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e84bca7190---73203374052.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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