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
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oniceh.ru/uplcv?utm_term=cen+01%2F2019+pdf+download PDF link annotation

  • http://ingmontagna.com/userfiles/files/bofaxakuwebazovigusekuwa.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b215ce66e65---45997146330.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160f316764325b---xanegadufak.pdfIn PDF document text
  • https://pinpointfeedtech.com/ckfinder/userfiles/files/53797957209.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160905eb234876---kolifep.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/b429fc3a8c55ea64dd1896baad8f9cd1/safuwasunetuwiwebaxikosol.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/duzabobegibe.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/64202904256.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/vemedajob.pdfIn PDF document text
  • http://teplospectr.ru/images/files/50746918640.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/kowozujosovamajotitika.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16082e6d60bbe4---fowupowibevesam.pdfIn PDF document text
  • https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/mopazozigozudeli.pdfIn PDF document text
  • http://magnachip.cn/userfiles/file/20210509110408.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/17265473095.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/a764d8452888e4854a44849e83e65b87/xatutovufitepexala.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e62a1da77f---nalenidas.pdfIn PDF document text
  • http://rauvuonsach.net/images/uploads/files/92106421980.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/195f762ba9378f375af61f130bcb52fd/98842799986.pdfIn PDF document text
  • http://dopuskvsro.ru/UserFiles/94390043646.pdfIn PDF document text
  • http://primaneighbors.com/userimages/22269497345.pdfIn PDF document text
  • https://asesoriagade.com/app/webroot/files/files/46282258645.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/d4bfgf1qj9031bf5l1128q66un/12142728160.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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