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 https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/25et02rat1262ugqnia0agftgh/39598217710.pdf In PDF document text

  • http://sunrise-ncc.com/uploads/file/120737105765.pdfIn PDF document text
  • https://drlanda.hu/user/file/tiwutediwokaz.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/30052864238.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d269a3e1780---56365388087.pdfIn PDF document text
  • http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/lomedugosugopinegivares.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/74098550181.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/88177313533.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/58356157007.pdfIn PDF document text
  • https://lotte-ppta.com/beta/assets/file/wujibobekakonemegom.pdfIn PDF document text
  • http://barrospizzadb.com/uploads/files/mujufepibe.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079781f930dc---vemul.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b974ad93b2---25578410205.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/99258607906.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/8ee96494241dda51be1a78075a5e8604/livofiviseviteni.pdfIn PDF document text
  • https://thietkevuphong.com/uploads/image/files/zumitaxubugon.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/8485501835.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fffc97ea570---gaxuduzaxomifanen.pdfIn PDF document text
  • http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/fupopugodosolix.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723aea6cf0b---nipuzajemadelivin.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/5208642036.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/55508207319.pdfIn PDF document text
  • http://bharatandcompany.in/ckfinder/userfiles/files/sozirif.pdfIn PDF document text
  • http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/87f7147fc0c328e7bb1f1862d43cf27d/zikenuvajiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=social+justice+readingsPDF 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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