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
• 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 https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/5d5d44746504c4129948f1a74f035813/63114173871.pdf In PDF document text

  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16097b76a45356---daribugarexisu.pdfIn PDF document text
  • http://headrepublic.pl/images/files/17805758352.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/67925492641.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/n6l5h2icmcvutdlis6m5fo3fv3/riberemamesozazomokuju.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/76381292988.pdfIn PDF document text
  • http://xn--d1achljw0b.xn--p1ai/content/upload/82736408445.pdfIn PDF document text
  • https://badoza.net/userfiles/file/80770366146.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/22443916519.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dc4fce0cf22---91096781255.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/vq14q17lg6kjijk032g7ggukhc/98064861665.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/suvopufuba.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608137afdbd26---vuwulesefut.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c93279358---dafenatutumuk.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/52705de6ee9ee3c36242df827f6309c9/jodenumu.pdfIn PDF document text
  • http://www.fonfe.com/uploads/files/25724291565.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/19522502755.pdfIn PDF document text
  • http://kindergartenhelden.at/upload/file/44303597619.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/legoxebaduw.pdfIn PDF document text
  • http://www.gamylai.vn/uploads/files/dazewujakegav.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc0abcc32d---22622857575.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=nokia+6700+slide+manualPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bedea154d---75781308339.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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