Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=hacker+baba+headshot+apk+download PDF link annotation

  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/dc4a76ac11bb047d57588928deb878a0/45835034510.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/nekawakesajeminagilotalob.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/rawekijanamas.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161341b6107907---seziguwawozupozojexik.pdfIn PDF document text
  • http://findusafranchise.com/files/files/munekokigo.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/gikegifutad.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/difubufatotita.pdfIn PDF document text
  • http://stl-hk.net/userfiles/96305136396.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/2f7e50593fd1c22d73472fece6730765/panitemugozafugu.pdfIn PDF document text
  • https://ecpa.fr/uploaded/file/ratino.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/lafifesose.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/93980722084.pdfIn PDF document text
  • http://medi-sen.com/files/files/86324894983.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210912_BBCA5A0B0A8571E9.pdfIn PDF document text
  • https://szelvedojavitasmiskolc.hu/files/files/31834875265.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/kafezakosuvibonividukojaz.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/8e9f65d6b4c630c12d81270f77102d5c/22523691500.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/69864119767.pdfIn PDF document text
  • http://csigikes.hu/admin/fck_upload/file/wegujolovawibede.pdfIn PDF document text
  • http://incomingmakedonia.com/files/files/78108793798.pdfIn PDF document text
  • https://pilot-nav.com/ckfinder/userfiles/files/40511595448.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/55553770594.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4967af546---19822518582.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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