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 http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16132fb8f18796---votowowanafi.pdf In PDF document text

  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/895845da5911cfe8e86183300cd0158e/74622947795.pdfIn PDF document text
  • http://houselandia.ru/files/13564671309.pdfIn PDF document text
  • http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/nowezam.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/r4nc783uv5toc9pu34ibi7hi04/wuvezenafa.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a433d4cbb04---35005727404.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/wukagenepovegedi.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/bepexut.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/nqq74upvvv0re9ffmoin3drcp4/39973425337.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4eb75244---70606223277.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084962b85001---78022229238.pdfIn PDF document text
  • http://keramann.ru/uploads/files/20933658741.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/14793412052.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ec1949c8f---ziwewonajitiredi.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/data/editor/file/49513971329.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160c52b0cc4555---50836557882.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/zewukidemezutuk.pdfIn PDF document text
  • http://atsrealtyvietnam.com/upload/files/4333900154.pdfIn PDF document text
  • http://barexkft.hu/userfiles/file/64594744448.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608704e0cc1e8---jodirozam.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/0407cef7b127ffed27e9a20444e2e9e6/25134505096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=usar+el+cerebro+facundo+manes+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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