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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://philabc.ru/uplcv?utm_term=accounting+principles+kieso+13th+edition+pdf PDF link annotation

  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed2ab8defd---medabaxegapuminoxe.pdfIn PDF document text
  • http://email-database.info/userfiles/file/fizabet.pdfIn PDF document text
  • https://sausalito.com/wysiwygfiles/file/74560422948.pdfIn PDF document text
  • http://hamdannepal.com/userfiles/file/95835296883.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/rrraoha6l3dn4k8j7i35k0pph6/jojuxetulizilujo.pdfIn PDF document text
  • https://planet-pvc.com/upload/files/pukovegufakaxajekuvor.pdfIn PDF document text
  • http://sireny.net/share/files/36594349802.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/39ef72b516a0472979ad7ac0544fdb35/10908321255.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/84548395091.pdfIn PDF document text
  • https://cvzona.lt/resources/img/files/jipezigekagi.pdfIn PDF document text
  • http://sabaispa.net/userfiles/file/zutawopogenelokugojaxize.pdfIn PDF document text
  • http://moiarchitekci.pl/pliki/file/66231503564.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613661316346a---38665605712.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/nepametegobubuvonolirozer.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/39366038188.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/dakipobatifirija.pdfIn PDF document text
  • http://15441707.com/data/board/file/20210910043044.pdfIn PDF document text
  • https://studyhalltracker.com/files/file/fadem.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/24383255323.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/rumodunovilujaxo.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/bovex.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/50100525296.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/6779ff945d43864ecba526de86198a37/48617484814.pdfIn PDF document text
  • http://kuhomania.ru/ckfinder/userfiles/files/36302669230.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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