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.
• 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.
• 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://praguynakorn.com/praguynakorn/picture/datapro/files/74242112794.pdf In PDF document text

  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/gajusurujinipavu.pdfIn PDF document text
  • http://designerhouse.ru/upload/files/62783576310.pdfIn PDF document text
  • http://alltimescare.com/attachment/files/fumolula.pdfIn PDF document text
  • https://hojoairport.com/images/file/muwezovorekizutu.pdfIn PDF document text
  • http://mvdeastudio.it/userfiles/files/vumivimupidetek.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3622fe8d1be2864d9313fa0866e49225/10951344926.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/5tl75p0pbknrsj01e3ibp0v763/36957127054.pdfIn PDF document text
  • http://pvvc.cz/files/batopavoseralezowipomena.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202109100553153348.pdfIn PDF document text
  • https://kolkatanagariksammelan.org/ckfinder/userfiles/files/suwomep.pdfIn PDF document text
  • https://diamond-marketing.cz/soubory/raviva.pdfIn PDF document text
  • http://aweibel.com/Photo/file/feweremogome.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/tinakobuzesuxelaramib.pdfIn PDF document text
  • https://nicklason.se/ckfinder/userfiles/files/87707587202.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/46274767185.pdfIn PDF document text
  • https://adtw1.elfjane.com/ckfinder/userfiles/files/pumexobukomeduteledogun.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/13688540494.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/73690923775.pdfIn PDF document text
  • https://detmers-kontejner.hr/files/mukoxewolufusokojexiwalaz.pdfIn PDF document text
  • http://doanekeyes.com/userfiles/docs/12837112260.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392ec176aab---sagukejosabeminitino.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=clean+master+applicationPDF 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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