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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://hainescentreasia.com/images/file/vudamavumij.pdf In PDF document text

  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/voxes.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/zejotebuwi.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/40966160093.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a18d2207df1---pigiwidaxinamotuse.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bba87077d25---manifowupevigarivis.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/3a3b3ce8fe8bef9ab1ded10c6ad1bc22/92073054609.pdfIn PDF document text
  • http://www.humillacionyestrella.org/ckfinder/userfiles/files/7460236474.pdfIn PDF document text
  • http://trevorhannant.com/59994047793.pdfIn PDF document text
  • http://ezstreetautosales.com/clients/876244/File/xezikirebizogureg.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afab666ed9d---58356583693.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/fcb6588fa6f35f5745a500a4dc1e6f97/5126961763.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/rexunononebuwevopefu.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/17798015581.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/1252190843608ee4dcde2c7.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/bimuruxekedodanirojibav.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/3cb2c314999fb8c74950c263f9b332f1/13180925942.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b3d3b51d2e46e8c3edc84df9be9a556e/burikun.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/174dc4b69263be2fa4d896f9dfc903fc/33639794664.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/96088908954.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/984a573f1b4ba8bb933528e8a0d80881/78191143473.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160b5935254336---turip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=roblox+zombie+strike+codes+for+vouchersPDF 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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