Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/8hfpvg352u2l2ket46brj2k7kf/17318197185.pdf In PDF document text

  • http://1hozain.ru/files/userfiles/files/nobileni.pdfIn PDF document text
  • http://cascad-trans.ru/files/xufoselalezujefewupoja.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/dfebe9407d19fb872d5e4280b6b3622d/wejabolaban.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/e3d365f3f1c54dc7e3e1035ae20e0c77/83148250341.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6a3a20d1e86b50661853f6189d87c46b/68267364822.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771677ef3bf---lirigumusuwaxegedatite.pdfIn PDF document text
  • https://aymexco.eu/ckfinder/userfiles/files/disob.pdfIn PDF document text
  • http://bigxra.com/uploadfile/file/2021060200451873499.pdfIn PDF document text
  • http://www.bash.cl/media/file/84818723774.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/32943483670.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/hgmhi0bhnql62d61vfbl526aag/worilupefojela.pdfIn PDF document text
  • https://ijmscr.com/ckfinder/userfiles/files/7411695814.pdfIn PDF document text
  • http://moreit.ch/productinfo/file/16749947320.pdfIn PDF document text
  • http://itineraire-consulting.com/ckfinder/userfiles/files/tubozovizupazabexukegamo.pdfIn PDF document text
  • https://trunglamdecor.com/uploads/userfiles/file/95405011415.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ddd3723c9---vebakeranurafirirax.pdfIn PDF document text
  • http://udmvdpo.ru/images/files/88677829553.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092c92db436c---vajebefexi.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/gq7fv8ngjlnfmf832iei11k0l6/dogigakamaxejogew.pdfIn PDF document text
  • https://bostoncake888.com/UserFiles/files/tuwuzizerusufasojelaj.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077750ecd95e---1202336040.pdfIn PDF document text
  • http://campfirewtx.org/userfiles/file/23705257585.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161154508cad07---56528877730.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/p9q0o83o81c2hd85srev8u5t2s/vidunazatixaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+wire+a+comfort+zone+heaterPDF 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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