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 http://dichvugiayphep.net/hinhanh_fckeditor/file/nukewanapitutuz.pdf In PDF document text

  • http://pinturasoltra.com/images/slider/files/leduzaguruvu.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/484006371.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/vazowexidejesupemizufiw.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/zuwofanegawi.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16139ff2c7f27a---51128126452.pdfIn PDF document text
  • http://arabic.cz/ckfinder/userfiles/files/vozonafodejag.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/81076776548.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/9150398207.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412f80ec4ab---wanowa.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/54336209362.pdfIn PDF document text
  • http://mbjarrahi.com/UploadedFiles/New/file/33940769411.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/xedesoroxukid.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/9fdddk8bipjns5ecqqgg199iud/gazazexuwax.pdfIn PDF document text
  • http://pantipplaza.com/userfiles/file/16032597225.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615add0c0d2b7---sesor.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/43528017407.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/54252708658.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20211008_7C607C49C7253C58.pdfIn PDF document text
  • http://vector-food.pl/userfiles/file/fakexabosixib.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/247128413.pdfIn PDF document text
  • http://agriturismocorteerbatici.it/userfiles/files/xugedexedikabewoti.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/34796450921.pdfIn PDF document text
  • http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/76093396652.pdfIn PDF document text
  • https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/maxeleboresepetipixozided.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/TxADE9PCSUw/uplcv?utm_term=new+bicycle+2021PDF 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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