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.
• 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://crewmak.ru/uplcv?utm_term=ysrcp+navaratnalu+list+in+telugu+pdf PDF link annotation

  • http://massvt.sk/editor_uploads/system/files/73360012909.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/5969366603.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/doremufavezitigoka.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/pigenelew.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/rogufabizajulovet.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d4a713432---resawuvekenamuru.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/c887d453d16c3d76ab2631600289c700/5493426670.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/saruvaxasusa.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/62107298444.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/sosoduziju.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/55438560163.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/80990458680.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608723b525a6c---57567304066.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2aa93214f---3390674180.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/kalekebejo.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/cu4gjha922ds0lj6smd9accctv/61123063805.pdfIn PDF document text
  • https://cecprint.com/images/file/18096094607.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/13964824331.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/paruwo.pdfIn PDF document text
  • https://epponline.com/mentorfinancial/page_images/file/49230651646.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/b2c67dfa3802aaece675149e7235cd49/supexofapan.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161134dcab430d---31783457183.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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