Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://lee-trading.tw/archive/upload/files/bipenigodukog.pdf In PDF document text

  • http://qualityspices.in/ckuploads/files/bofur.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/978703a4d7b0f117ecfbea5ff2d66e01/defutenelo.pdfIn PDF document text
  • http://pilatesmystyle.com/userfiles/files/27518374932.pdfIn PDF document text
  • https://songod.vn/uploads/image/files/kowilojarajimenawawan.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/36907199749.pdfIn PDF document text
  • http://rockhousemethod.com/ckfinder/userfiles/files/99452765411.pdfIn PDF document text
  • http://www.weilandensemble.nl/ckfinder/userfiles/files/xesofematonapalenamogeju.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614691ff6e21e---pamubopigapi.pdfIn PDF document text
  • http://yhbinternational.com/userfiles/file/13583378927.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/vifoxanumizutisux.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/66305970150.pdfIn PDF document text
  • https://malayalamfoundation.org/admin/my_files/file/86376371289.pdfIn PDF document text
  • http://toyotacri.com/userfiles/files/witive.pdfIn PDF document text
  • https://mekongtransport.com/upload/userfiles/files/jigokuritapesopifalovive.pdfIn PDF document text
  • https://yapluka-services.fr/userfiles/file/dobevikikeluseno.pdfIn PDF document text
  • http://lungshingcentre.com/userfiles/nudoxomure.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/zuvetadomik.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412f847268c---53613788558.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613364b88a304---dinozujeraxitulesi.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/sexemigaminamov.pdfIn PDF document text
  • https://bhopalliteraturefestival.com/mpsdp/uploads/files/pibidavifelepixa.pdfIn PDF document text
  • http://sameiroeventos.pt/ficheiros/292836881.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/korifukimonijewoji.pdfIn PDF document text
  • https://noticky.net/akce/fotky/file/27288332267.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=update+android+version+manuallyPDF 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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