Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://smidgel.ru/uplcv?utm_term=btd+6+apk+download+no+mod PDF link annotation

  • http://fjzy18.com/image/uload/files/xoziwoxuxunimib.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/bodadajifetugomezatower.pdfIn PDF document text
  • http://teewer.mn/ckfinder/userfiles/files/62892384723.pdfIn PDF document text
  • http://club-integra.ru/userfiles/file/56417517584.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/83412376517.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/50554262574.pdfIn PDF document text
  • https://bawauang.com/contents/files/vepiliwunaxetojolado.pdfIn PDF document text
  • https://evrenmentese.com/upload/ckfinder/files/guzikagizukapazo.pdfIn PDF document text
  • https://ladulceseguros.ar/noticias/fckeditor/file/92232049441.pdfIn PDF document text
  • http://preciz.com/uploads/wysiwyg/files/kutezalulilafibam.pdfIn PDF document text
  • https://studioconcept-stand.com/fck_userfiles/file/87793277475.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/57668877710.pdfIn PDF document text
  • http://villaelen.it/userfiles/files/supapanubofaxab.pdfIn PDF document text
  • http://nm-union.ru/ckfinder/userfiles/files/38708130237.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca98f87093---46577840528.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/foxidefara.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/33afa1e8ba79600c02aaa4bec15003ef/81922783476.pdfIn PDF document text
  • http://sieuthimaynhapkhau.com/upload/files/41111108322.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/dalonutexiwurizaxul.pdfIn PDF document text
  • http://tatooazh.ru/files/files/62033049517.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/chjjs4b054lrhkokd0qqmhoop8/nejorogus.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/jejufakazija.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/40510743906.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/sosadipafima.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/75364750592.pdfIn PDF document text
  • http://cesarrodarte.com/userfiles/file/nipasu.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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