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.
• 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 http://nasfthr.com/userfiles/file/xewuxivopinatozam.pdf In PDF document text

  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1621fcae1d2c07---naligedo.pdfIn PDF document text
  • http://yung-shun.com/userfiles/file/megegowedasaxebapaxamivim.pdfIn PDF document text
  • http://www.crislbd.com/public/admin/assets/ckeditor/kcfinder/upload/files/wovagakawevog.pdfIn PDF document text
  • https://denofunafefu.weebly.com/uploads/1/3/4/7/134750316/cdf9a70904ee2.pdfIn PDF document text
  • https://ekotop.eu/userfiles/file/90203389205.pdfIn PDF document text
  • https://sixusiwof.weebly.com/uploads/1/3/1/4/131454093/505a9b.pdfIn PDF document text
  • http://canlook.ru/userfiles/files/5191904660.pdfIn PDF document text
  • https://mujiborabasovu.weebly.com/uploads/1/3/4/5/134590634/viviruz.pdfIn PDF document text
  • http://groupelamiri.com/uploads/FCK_files/file/gulozuzuvef.pdfIn PDF document text
  • https://pazisurezufil.weebly.com/uploads/1/3/4/5/134594691/xudemevowalifed.pdfIn PDF document text
  • https://luzulobopado.weebly.com/uploads/1/3/2/6/132681737/jajovodogupa.pdfIn PDF document text
  • https://istanbulbalbir.com/upload/ckfinder/files/68031072552.pdfIn PDF document text
  • https://wabemogulumog.weebly.com/uploads/1/3/4/3/134384503/9811258.pdfIn PDF document text
  • https://lefizedut.weebly.com/uploads/1/3/2/6/132681647/warazigekenidet.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622f3a0b05353---malukiwisupafax.pdfIn PDF document text
  • http://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/41136080223.pdfIn PDF document text
  • http://salsainkonstanz.de/media/files/xakolozotifowifoxiz.pdfIn PDF document text
  • https://ztracenaexistence.cz/files/content/file/3551507183.pdfIn PDF document text
  • http://www.ascondir.com.br/Gerenciador/kcfinder/upload/files/lejosojebeworu.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/58a4831da23a9fa35586a1625e65a88d/gizonomarorinu.pdfIn PDF document text
  • https://xusopulude.weebly.com/uploads/1/3/1/0/131070786/1592312.pdfIn PDF document text
  • http://zzzwchem.com/upload/files/jujomaxeralo.pdfIn PDF document text
  • https://storycycle.com/ckfinder/userfiles/files/81386832890.pdfIn PDF document text
  • https://colod.co.za/YmrXLWy8?keyword=how%20to%20use%20pen%20in%20adobe%20acrobatPDF 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 extracted file (font_00_sfnt_off0000d78e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d78e.bin)

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