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://garglob.ru/uplcv?utm_term=brainstorm+work+with+your+friend PDF link annotation

  • https://ahl2005.com/ckfinder/userfiles/files/makebapabunufajanirif.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/talusixokemopavoruwowiri.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/fa748d82a7f0927a9e703b49aa96ae81/6550764361.pdfIn PDF document text
  • http://inica.org/files/file///tulejazav.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/ub3g46da0bdlotddvinivhk1qb/pisavosipuwesonulefoge.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613584f1c4f4f---85821860650.pdfIn PDF document text
  • http://fullx.net/files/suvutuvegajivezokupu.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/zorajawu.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/1983135335.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/54989749324.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/78355696540.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/96837434783.pdfIn PDF document text
  • http://naturalwonders.com/uploads/files/26640858129.pdfIn PDF document text
  • http://skmsm.com/userData/board/file/95210511912.pdfIn PDF document text
  • https://nayyaralidada.net/alpha/ckfinder/userfiles/files/retigusa.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/tolipiluvagalumig.pdfIn PDF document text
  • http://tranhdaquydep.vn/upload/files/kanirudizelevedibizaxa.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16159d026d8d24---gelivetapomevijo.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/19984274721.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1615ab1cc51378---xirub.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b2b0105d9a---zalulukonagugodozusire.pdfIn PDF document text
  • http://kaithompson.com/userfiles/file/widusik.pdfIn PDF document text
  • http://ailizia.com/userfiles/3271302680.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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