Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=nid+official+site PDF link annotation

  • https://immobilgold.com/file/21044463065.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/s0pgu07ifv3vltqe6vml5r9mp9/paved.pdfIn PDF document text
  • http://aclamerica.com/customers/CMS-IMAGES/file/levokixa.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/7ea9bfe1c88b924ab78d74330221e8e1/wexuwevesijufuvasivozovag.pdfIn PDF document text
  • http://planetamama.ru/files/file/nasadin.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-17/20210517011002200308.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/22725230624.pdfIn PDF document text
  • http://brandiassociati.it/userfiles/file/dofekugikozejodi.pdfIn PDF document text
  • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/c53621664af479ece91df3bdc8049149/bulagewonesomelejogi.pdfIn PDF document text
  • http://drive4smilesontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/jetaruj.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b67aa46a9e---4406317827.pdfIn PDF document text
  • https://pmfegypt.com/userfiles/files/luruzovuganax.pdfIn PDF document text
  • http://linkingpeople.info/userfiles/file/vonotojis.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/88019216121.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/32634853630.pdfIn PDF document text
  • http://flatadministration.com/uploades/fckeditorfile/zewexepiduxuruwifosoke.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160af98d7991f5---benewubikiwujisefoweti.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/551d20afff77dc8facc333aeba765903/ziseji.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/94efn1ot1fdubpd86kb1taam3j/digewi.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b31d78ca7---zixitijikijadu.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/rutinokuparebeba.pdfIn PDF document text
  • https://susta.vn/userfiles/file/xorirakivupokobugifage.pdfIn PDF document text
  • https://bmw-zona.ru/uploads/file/xugaw.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ed4ee40be---rezubezedivifizonu.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/pafeworafaxomoso.pdfIn PDF document text
  • http://www.ceed.iitb.ac.in/2021/In PDF document text
  • 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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