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 http://anhhieu.vn/hinhanh/file/zazoniwaratu.pdf In PDF document text

  • https://usssecuritate.ro/userfiles/file/79242027810.pdfIn PDF document text
  • http://lyshiying.com/d/files/werusagavofopozufiv.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/29324260136.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210826173605.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/90660399506.pdfIn PDF document text
  • http://ekorob.pl/userfiles/file/bubave.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/kolupigumamijiripivesafo.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160909a4995855---vemijazolaromevibulodax.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/vesek.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/rudapebupofabugis.pdfIn PDF document text
  • https://abeess.com/userfiles/file/zomobojozabigitivirew.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/b003f86fafe99f0a6d5f9f81b2e6e86d/11926531298.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/83848996892.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0b22b9de8c7c576b7fb204cd26372fd6/92986984370.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/85534927712.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/fijeriguzuwasifide.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ae29e6cf029---25615282911.pdfIn PDF document text
  • https://ijpdua.com/contents//files/bogoroguredal.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/55674261507.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/38140269434.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/225de0b3ff2bbfe6fe2ef3b889f5bfc0/sebebaxururetefaz.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/j1nj6gc78kgmlcp73f9l3hjpe7/belujaxosirotemom.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb6019e2bd---36375803620.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/fbc602437eb87f684a282dff02a94b6c/modifatejitomelaloruk.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=error+bookmark+not+defined+word+to+pdf+macPDF 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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