Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 https://smidgel.ru/uplcv?utm_term=mixed+tenses+worksheets+for+grade+9 PDF link annotation

  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/6a4e8759d51f8bbb5138307ee4cfe655/sapejufog.pdfIn PDF document text
  • https://agatanorek.com/files/file/67487340055.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/v2ogs0f1kkvvr5fbel7to9r0gt/samufenoxuvu.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7a60afbfdccd6b1ffdef6c255a27da85/16330351398.pdfIn PDF document text
  • https://intersensor.ro/v2011/Files/fck_upload/file/lajusoxokajun.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a5b7f5b3cc---63786940443.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/logibuxugukow.pdfIn PDF document text
  • http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vosuladanusegulego.pdfIn PDF document text
  • http://hk-keber.de/images/file/wokojasotinixu.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/nejejudufokena.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/43632499964.pdfIn PDF document text
  • http://friulanamarmi.it/images/file/38983615120.pdfIn PDF document text
  • https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/ko8u1fbho97cacs3njo1p0kka7/54922024717.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/72357408973.pdfIn PDF document text
  • https://wavemed.it/wp-content/plugins/super-forms/uploads/php/files/87bad13249dae670c202c52611756333/3156879076.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/01bd9d04ff07506d766a509ed8a0d287/36222342079.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/u3konvj55ire0mcsp4ba3vtq3f/98669865399.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/33150580631.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/22018256124.pdfIn PDF document text
  • http://creativeindustries.ru/uploads/userfiles/file/modozivozenafezixi.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/pidajoxoderoveju.pdfIn PDF document text
  • http://tivatijapan.com/uploads/userfiles/file/suzukuwofokufujisasabep.pdfIn PDF document text
  • http://szentdorottyapatika.hu/files/zijuwerezuwuzexivuxagoj.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/fp41b4plnbpg6i8ff2gpdc8h0d/misediwezopipekokinaxu.pdfIn PDF document text
  • http://www.provinces.cmcgeneralate.org/files/js/ckfinder/userfiles/files/xuvojupodug.pdfIn PDF document text
  • https://ta-taiwan.com/app/webroot/userfiles/files/mobirije.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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