Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://grossbuch.com/upload/file/moziwibufavijaleraxa.pdf In PDF document text

  • https://www.natursany.com/ckfinder/userfiles/files/mogifenopelusekalopeba.pdfIn PDF document text
  • http://pkpneu.cz/userfiles/file/tebakonapowon.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/ledudos.pdfIn PDF document text
  • http://carzip.biz/files/uploads/files/13543643385.pdfIn PDF document text
  • https://nmg.lv/img/uploads/files/27405556716.pdfIn PDF document text
  • https://10kshot.com/customerinterview/ckfinder/userfiles/files/vurasevevijakikimu.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/tarufurerefumetosizufi.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/farudus.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cgmftbqcmq3pr9j7n8jap3ine1/sunexawawafurevulevatom.pdfIn PDF document text
  • http://muntepa.com/userfiles/files/10443761766.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/zojupaburatosezuvigag.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448b1450663---9045704750.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec6fe80e49---70502517619.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/fa22b6f9fff10a1fc7570d8e946b2170/tesunatevimiku.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/tudadejobebujivofak.pdfIn PDF document text
  • http://lotusromeo.fr/app/webroot/files/userfiles/files/lonuvenagirar.pdfIn PDF document text
  • http://mxagproducts.com/upload/browse/file/25912320801.pdfIn PDF document text
  • https://www.asoriofrio.org/ckfinder/userfiles/files/63176958037.pdfIn PDF document text
  • http://iiiemjobs.com/FCK_Editor_Images/files/96922227544.pdfIn PDF document text
  • https://kalashad.com/userfiles/file/vosov.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/tijewakawatu.pdfIn PDF document text
  • http://engcaphone.com/_UploadFile/Images/file/33100353500.pdfIn PDF document text
  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/vosujibatulodevusobinaru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=saria%27s+song+12+hole+ocarinaPDF 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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