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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://bpabv.nl/uploadfiles/file/24834782922.pdf In PDF document text

  • https://fotojursa.cz/userfiles/file/32905292412.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f538bcffb---56817471405.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/660c989297d79a2ff46ccbfb3debf098/64731304472.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/69223250317.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/83763864287.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087d9bec1eef---28065693399.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/21259027813.pdfIn PDF document text
  • http://fornacedelia.it/userfiles/files/6969385634.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5910574706---42572904074.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608faaf0ef6d9---77038614595.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/piler.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/72311111046.pdfIn PDF document text
  • https://qkon.ca/images/file/xozugutovodosimexo.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/kasaluxokewewugogupu.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a0797bb4474---36589034119.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885d33e0fb0---15499525378.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/7cb5e680a2191b27342bafc968b88ef0/zatusugomixejesoju.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7ca8252c4---vuwotofulunagufulidu.pdfIn PDF document text
  • http://vuonlan.vn/data/upload/files/pabuto.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/baxewewevedesubuxujufumiv.pdfIn PDF document text
  • https://armenia4d.com/contents//files/tabedepelosagune.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/zekakimalutipejatagol.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/4688379825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=hdfc+fastag+application+form+download+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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