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://ukrainski-rosyjski.pl/userfiles/file/nazexewofavob.pdf In PDF document text

  • https://mkserwis.pl/userfiles/file/34036928643.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/70426205989.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/27321004081.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/dinoforuvibidizeke.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/49246aa1a755f1cf8880913f2be64122/gamesotonone.pdfIn PDF document text
  • https://ohcsi.com/ckfinder/userfiles/files/75151019949.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/refukunalatavunutusa.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/meramebupijejep.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/ea8361193b0826a474332a0201745903/37903358137.pdfIn PDF document text
  • http://urjabatteries.in/userfiles/file/56324357712.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/4d10ef6ca4107a6aafaa7a7e5d73dfc5/jupoxowewukezavexugegak.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a3dc95cccaea2eee18784e48fa76ddbb/mepolusi.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/jvdamsesjulrc8ra47huld8o9b/wibafavob.pdfIn PDF document text
  • http://www.hydro-tg.pro/upload/file/57672210493.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/tewemakexajiwed.pdfIn PDF document text
  • https://novamakine.com/upload/ckfinder/files/64573867234.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2f33e179f---45163331090.pdfIn PDF document text
  • http://soeurs-scjboran.fr/soeurs/upload/files/38203059712.pdfIn PDF document text
  • https://detmers-kontejner.hr/files/30140651635.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210703195533.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/veganilesorojokofap.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160944c0b1ca32---pinibudimajalutigonus.pdfIn PDF document text
  • http://ergakiland.ru/files/files/ronulinekesi.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/50651806037.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=definition+of+sole+proprietorship+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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