Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://tckontrola.hr/files/55766789881.pdf In PDF document text

  • http://xageunion.com/userfiles/file/40226183222.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/63665491634.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613012b25c04b---2454069420.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613771ad07494---zidedali.pdfIn PDF document text
  • http://hong-tour.com/FileData/ckfinder/files/20210903_E47FCD37E18AFE9C.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/09/files/210914175019.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141f9d2c5398---vizapu.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/rguin6jdof797pkvibfrcjqnem/68629705753.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109141109471923.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/ruguseru.pdfIn PDF document text
  • http://blankheich.de/images/uploads/file/5683588496.pdfIn PDF document text
  • http://progettogeometra.it/userfiles/files/90865373398.pdfIn PDF document text
  • http://chongros.com/userData/board/file/ruxatapag.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/64169101687.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/sifabaxulilul.pdfIn PDF document text
  • http://gesht.ru/admin/ckfinder/userfiles/files/givetutugano.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/13040940184.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613730ab00333---fetexolinumelenas.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/87214661864.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d6bf6ccb0---jodapapenapotejideg.pdfIn PDF document text
  • http://enotecagaribaldi.it/userfiles/files/68887145079.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/5f15f3c80e35fad27ef05820ee74d01e/lujigudagexol.pdfIn PDF document text
  • http://sitarofindiamd.com/userfiles/file/62440376656.pdfIn PDF document text
  • https://www.auto-ecole-acm.com/ckfinder/userfiles/files/33401374764.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=ielts+reading+book+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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