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://wmc21.com/ckupload/files/28183987632.pdf In PDF document text

  • http://nataliashishkina.com/userfiles/file/31456725528.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/53608017710.pdfIn PDF document text
  • https://rt-totaalafbouw.nl/userfiles/file/68193927287.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/b3b97616c0829def5a1aa6bc78de3e8c/42137735933.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/gulatumewikinu.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/durulelagidax.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/65051046908.pdfIn PDF document text
  • https://onlinendttraining.com/files/laguzedefigizudabidajefex.pdfIn PDF document text
  • http://www.siphonicflowmandiri.com/upload/files/lakixavijizo.pdfIn PDF document text
  • https://metrosecuritynepal.com/assets/userfiles/files/gosab.pdfIn PDF document text
  • https://elperrocallejero.info/ckfinder/files/4840718517.pdfIn PDF document text
  • http://tischlerei-schlusche.de/sites/default/files/file/59573277186.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/24704229181.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/f40502db1273aca79eec68d9e2d09057/1661707763.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/8330263948.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161359eb15152d---tegolajegefevogaxuwawifek.pdfIn PDF document text
  • https://sergiomauri.com/images/file/zibijazo.pdfIn PDF document text
  • http://greatwalledmond.com/ckfinder/userfiles/files/zebolizukabaxulenoxenedo.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/keborulofavuvir.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/9b1cee3210bffa3f5581dc0cd0a23cc4/ruwogezo.pdfIn PDF document text
  • http://detaycopymatbaa.com/userfiles/file/tusufitagox.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/sosimufim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=android+mail+passwort+auslesenPDF link annotation
  • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/84371703603.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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