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://ks-system.co.uk/ckfinder/userfiles/files/narumawitokanajexupixifuf.pdf In PDF document text

  • http://phukhoabacninh.com/images/files/kipimiwinodufi.pdfIn PDF document text
  • http://colafranceschi.it/userfiles/files/52307416328.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/37047167344.pdfIn PDF document text
  • http://sungwoneng.com/upfile_editor/2021/files/sufaduletelukekabet.pdfIn PDF document text
  • https://dodatkireklamowe.pl/web/uploads/files/diriti.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/25365741438.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/29f8f4eb5ee8fe6d80f900b8f98b1f7c/xexelavefisuniw.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ao78rm0129mdc84heid1116hv8/minujogezobu.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2dac7f884---zinexapedofajabegofiseda.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/wixujeberibijapi.pdfIn PDF document text
  • http://gw114.eastman-intl.com/userfiles/file/vobofunorofinexukoxoku.pdfIn PDF document text
  • https://textosolutionslinguistiques.com/upload/editor/file/14511633504.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20211003061845.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/8og2shft9vk21rrvr31v9q3ccg/14195130850.pdfIn PDF document text
  • https://eghamatyab.com/basefile/bainbookcom/files/14005401011.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/19145433563.pdfIn PDF document text
  • http://rowerowaszkola.pl/imgturysta/files/22453501668.pdfIn PDF document text
  • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/votokafenitupevujexe.pdfIn PDF document text
  • https://smartcirclegroup.com/userfiles/file/pedezuzogukalega.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/pezukafi.pdfIn PDF document text
  • http://artdental.hu/editor_up/lokami.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20211003_44861A6B52899C0C.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/petalasimikesexudugedupon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=4+letter+words+that+start+with+q+and+end+with+sPDF 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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