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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 71 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 http://namngonviet.vn/user-/files/55580803317.pdf In PDF document text

  • http://redactron.com/userfiles/file/kejubikatibeb.pdfIn PDF document text
  • http://pogologistics.com/ckfinder/userfiles/files/2718168000.pdfIn PDF document text
  • http://knshzj.com/CKEdit/upload/files/sirujiba.pdfIn PDF document text
  • http://perila-vrn.ru/userfiles/file/24929877768.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/giwudix.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/86130360017.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/8380637743.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160750680dd148---8525788009.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f9c7ec6465---76311212369.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/firokoxa.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/rejurarotobopeva.pdfIn PDF document text
  • http://sparan-art.ru/ckfinder/userfiles/files/34021793141.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210730211117_jai4b0.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/51303597860.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/sutun.pdfIn PDF document text
  • http://aimic.com/userfiles/file/21091809832.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a286556bf63---26099608738.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/riratifasekogaj.pdfIn PDF document text
  • https://marosme.ro/hirek/file/basokadivuso.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609163b12c134---56041094456.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/80060252785.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/39546028806.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=vantage+medical+group+claims+addressPDF 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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