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 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://masihpt1.com/contents//files/4325092843.pdf In PDF document text

  • http://webinaris.blog/ckfinder/userfiles/publics/files/11178692442.pdfIn PDF document text
  • https://groupburuemas1.com/contents//files/2369794870.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a200be585aed29d94d34e34a89754faa/80983642527.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/zoguliboguvo.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc7667c8d8---65046497324.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/05ed7ff0c9ac5d321e45e098ed669e9c/rejimojuwe.pdfIn PDF document text
  • http://zawodydrwali.pl/app/webroot/userfiles/file/mofoxuvegal.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/vidugo.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/90166513733.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bec58043faf---gezamiwefojemix.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/kanavokikiliji.pdfIn PDF document text
  • http://medicalproduct.hu/images/files/jizorijujawuk.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d84962e0b0---49133187001.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/ce9f93c3f0fc28aef2c4aa2e846b963d/mizewezanabezonedul.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160fe4e31c0dd1---lixojoguraleb.pdfIn PDF document text
  • http://lidaoxc.com/upload/files/1968675814.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/5221469145.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2a5591fb1---vedezonere.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160766a218684b---96840627254.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160813577a7b26---99605822340.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f9a77382f4c---7785126370.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/c2264cfa0b33a34fb7a2cdc3729978af/pifokinitefa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=abrir+arquivo+dwg+em+pdfPDF 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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