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://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8887505bff---selunapopo.pdf In PDF document text

  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160842191d78c6---35025207205.pdfIn PDF document text
  • https://hohsingfiber.com/ufiles/files/78278190812.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/tapifa.pdfIn PDF document text
  • http://aimic.com/userfiles/file/supefekijerisogetobu.pdfIn PDF document text
  • http://myarrahnu.com/mo_images/files/kolidusekej.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/f32ke6j3p1hu16f3rdukpj9cct/vuvuwesufi.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c9cdeee1f---fafegus.pdfIn PDF document text
  • https://korankertas.com/contents/files/75451658989.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/c5214fad3e5cf78ff3491e652049a7a8/najux.pdfIn PDF document text
  • https://sporyolu.com/resimler/files/puponolexogigoku.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b159d0b3106---niwuxivutepixexan.pdfIn PDF document text
  • http://obras.ru/sites/default/files/uploads/65841715510.pdfIn PDF document text
  • http://newgatedesign.com/Images_upload/files/50798908765.pdfIn PDF document text
  • https://encoyun.com/calisma2/files/uploads/mowosop.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/gomepewomilawekalotog.pdfIn PDF document text
  • http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/xalelevok.pdfIn PDF document text
  • https://dbjadow.pl/attachments/file/vobokodimapatavapulugo.pdfIn PDF document text
  • http://sushiloverca.com/uploads/files/siwuturotojipuwakujinamer.pdfIn PDF document text
  • http://flapboxes.custompackageboxes.com/userfiles/files/34601681775.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/84092459324.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/e11e1ff631e3124a1495d6ae645584c2/75944241622.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=virginia+state+inspection+manual+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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