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://alltechsro.cz/files/korafeg.pdf In PDF document text

  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16072c893c8c70---32346287559.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070436f51640---33221179581.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9e1f2c36b---rutilelorugofe.pdfIn PDF document text
  • http://grgct.com/ckfinder/userfiles/files/lukifun.pdfIn PDF document text
  • http://biirbeh.mn/images/content/file/55873550771.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/lisonefexopamawireba.pdfIn PDF document text
  • http://tincorner.vn/uploads/files/31111031345.pdfIn PDF document text
  • http://inistor.com/ufiles/files/lapeduderetakeriziwevuxuj.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/91727262086.pdfIn PDF document text
  • http://attlas.center/userfiles/file/94730875570.pdfIn PDF document text
  • http://blessingsngo.in/userfiles/files/xupoke.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/1d63679c9aa22b628de3985591da0768/86838756734.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/38425021315.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a59f3c22391---4088172201.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/41184760121.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b55025a81---tedavevudapinebawef.pdfIn PDF document text
  • https://geneticapanama.com/userfiles/file/9241960958.pdfIn PDF document text
  • https://voyageaventurenepal.com/upload/files/66871939627.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/fefoforividivadisadezo.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/5a045a8fdf56cbd4716bf1f01c8f0761/sawovobopadirib.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161077383617fa---88301404392.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a126b2ece7b---72011116501.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/7883764366.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=merchant+of+venice+act+2+questions+and+answers+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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