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
• 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.
• 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://coretry.ru/uplcv?utm_term=enable+auto+sync+gmail+android PDF link annotation

  • http://secureyun.cn/uploadfile/file///2021090221170854.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/92875881023.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210902_055219.pdfIn PDF document text
  • https://hantverkarenisandby.se/UserFiles/files/barulifa.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/71665086803.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/zimumagexepuxogud.pdfIn PDF document text
  • http://bordahusfeldolgozo.hu/editor_up/ropagiko.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1f7dd77bd---10796123782.pdfIn PDF document text
  • http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/40745066862.pdfIn PDF document text
  • http://yogaschoolofkerala.com/photos/editor/files/89685111376.pdfIn PDF document text
  • https://bunian-co.com/other_files/File/82059821640.pdfIn PDF document text
  • http://weorderfood.com/uploads/files/soxodelidinuxo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/741bc32a6c712adcb7ad967b471db245/93018583996.pdfIn PDF document text
  • https://hse.tw/upload/file/woresota.pdfIn PDF document text
  • http://montesantangelo.it/files/files/vifuro.pdfIn PDF document text
  • https://chataigne-cevennes.fr/imgs/files/zegoparilazedoburad.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b54000a21---giwajuvejegekupipuxoruzid.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/63890453110.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/21128629777.pdfIn PDF document text
  • http://studiogallerani.it/userfiles/files/50805724473.pdfIn PDF document text
  • https://barrier.exma.cl/ckfinder/userfiles/files/50843981672.pdfIn PDF document text
  • https://gelblighting.com/userfiles/files/dukitixetusawanar.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/mixavigoz.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/52389465297.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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