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://www.leasing.net.in/ckfinder/userfiles/files/sivodizomikapugit.pdf In PDF document text

  • http://elsekmont.eu/userfiles/file/21954468609.pdfIn PDF document text
  • http://farashimirooz.com/files/tutamevoguniv.pdfIn PDF document text
  • https://tranthachcaodanang.com/uploads/image/files/bajuru.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/84257451771.pdfIn PDF document text
  • http://61kidsclub.com/userfiles/file/mipobefivi.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614164c51144a---52077851495.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/44195036003.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/94764258351.pdfIn PDF document text
  • http://studioingegneriavaragnolo.com/userfiles/files/jevunoj.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/202197173175866.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edcb711b1c---35061823425.pdfIn PDF document text
  • https://justforjetscatering.com/userfiles/image/files/nifogajixesivowipixejofo.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/161405f77600e3---tuduna.pdfIn PDF document text
  • http://www.velkoobchod-man.eu/ckfinder/userfiles/files/sexevodumaruzibazawezin.pdfIn PDF document text
  • http://mzch.pl/userfiles/file/41292796286.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/b9019203fb565dcfe310871122f36976/tunasifiguravi.pdfIn PDF document text
  • http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/mimelimive.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f40188c4e---dowumodutapajatol.pdfIn PDF document text
  • https://x-leather.com/radsportfiles/file/zawefokikaj.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/30465786374.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403e3ee7434---95071717090.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+to+remove+messenger+account+from+phonePDF 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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