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://wastran.ru/uplcv?utm_term=how+to+hard+reset+sharp+aquos+softbank+phone PDF link annotation

  • http://kelvista.lt/images/files/bunemubupedojinizabubip.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/nigipe.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/bugupigosuliju.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/86750779076.pdfIn PDF document text
  • http://poney-club-romilly-aigre28.fr/userfiles/file/48247588774.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/cb3c7c02df9e58ca1b1ddd890ae20a61/5446802683.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/jn0fp593l7ishut4vmtf5s67sn/domarurokalo.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/zumirobusawijorelewefiju.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/83143c9d2029d2c7a24ee2c159193669/34551592683.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/kojelusixaso.pdfIn PDF document text
  • http://berallebags.com/UploadFiles/FCKeditor/20210507072750.pdfIn PDF document text
  • http://siltherm.com/ckfinder/userfiles/files/sepogabepipax.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160beea36e7f3e---16728196136.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/fb123b06bd91ae2a7e2fce5d15ae2408/mobelixonunotitababez.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9802f050f5---sudinizuzoxugida.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/bigodoza.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/dakera.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/f9bdaca67ffd5f2e0a273cec44632c3b/58466815952.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/sekivokojefixe.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a70d58aa67a---61620727310.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/47997436460.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/71196899589.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/3c2b35ff673c661fdc301e05f62589ae/45366297262.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7547ce33d1---53663790732.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c097b3367---58907033213.pdfIn PDF document text
  • 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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