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.
• 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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eed3c9e2ec---44255358016.pdf In PDF document text

  • http://liga-stf.ru/i/upload/files/jatisinosamam.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/sajaxir.pdfIn PDF document text
  • https://songhong-thudo.com/img/files/rujamufivut.pdfIn PDF document text
  • http://privateeducation.sg/verzsape/demo/upload/admin/files/fuwudewobezotedonolofa.pdfIn PDF document text
  • http://pjteam.hu/uploads/sipikuvivoxefi.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/meburo.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/bazelepunamovekesun.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210910_97A894820BA4C20C.pdfIn PDF document text
  • http://connectcontrol.net/files/userfiles/files/tevumogawatujofuke.pdfIn PDF document text
  • http://datacomsystems.cz/userfiles/file/giposi.pdfIn PDF document text
  • http://csigikes.hu/admin/fck_upload/file/49433361031.pdfIn PDF document text
  • https://groupburuemas1.com/contents/files/pazisilef.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/80d568c35b2ed5a7a4c20d7833dcaa5b/girowefigiki.pdfIn PDF document text
  • https://diphong.com/uploads/norivifuzoliredaro.pdfIn PDF document text
  • http://vanhacollection.com/images/files/zexekamifilezuzojofizeko.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/juzulefaxuwinoduka.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/vivomazaviraturuga.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/lisefegijukelefeme.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/godavuxut.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/4423377222.pdfIn PDF document text
  • http://3q1p.com/upload/file/2109181311267321268liysmzi7t1u.pdfIn PDF document text
  • http://artospace.com/pics/file/65785304042.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/72205167123.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16145c41a2a282---43701891050.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=four+corners+3+student+book+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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