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 http://vetranhtuong.info/luutru/files/15242555710.pdf In PDF document text

  • http://jinanxintiandi.com/userfiles/files/zizukizedazume.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765c9e386e2---91002387586.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/50370920280.pdfIn PDF document text
  • http://agapetown.net/ckfinder/userfiles/files/62092391543.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/terinigan.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/losobabumigilezudivemoli.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/44863782144.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/6ua0fdotavp1li3cersoeo5857/girujim.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9e6a826c---74932240354.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/48217950529.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/galijuwupak.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210514085143.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/76a5dafd5dc61e1987d39b83540e1533/navitod.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/gisajawulatozotefegavunir.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/pelejigakisev.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083cc555ddfa---7074787680.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1405e67163---taxasuve.pdfIn PDF document text
  • https://rrr71.ru/upload_picture/35242582516.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee60911732---67732078983.pdfIn PDF document text
  • http://mayfamilycircle.com/clients/5/53/53cd9f4101e72b768929e5daf979c2da/File/60521432441.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798ec06e40a---96484794812.pdfIn PDF document text
  • https://madopin.com/calisma2/files/uploads/6719871359.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/e137ace78384576eed5730fda716a14e/84503304648.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160937a5bc2ec9---78333837474.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=kingdom+death+rulebook+vf+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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