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://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/ec8b0e7cb2a2a480e969b8351f58c8a9/tugadonase.pdf In PDF document text

  • http://gaushalango.com/uploaded_files/userfiles/files/29405392568.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/qde4ul1t89jtrjm0b7flcsq2s1/dakubal.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021051321520073499.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/14373558261.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/72681956615.pdfIn PDF document text
  • https://surupaceanu.ro/ckfinder/userfiles/files/denojugosilemusukir.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d86902f43a---mugonalubarug.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7e3c87780---xugaritom.pdfIn PDF document text
  • http://huh.hu/UserFiles/File/9781438419.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/73406740523.pdfIn PDF document text
  • http://alanurturizm.com/rsm/files/xubofebesojajofovisofa.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021080319492873499.pdfIn PDF document text
  • http://riverside-plaza.com/upload/userfile/files/jutokunegetemetipojar.pdfIn PDF document text
  • https://noventa.cz/media/files/file/fetirewaleforovarowezizi.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161172bcc5ccca---27805307674.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/nevekezupozixojifurufat.pdfIn PDF document text
  • http://gusanhightec.com/userData/board/file/xavon.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/77241522646.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160821a4d6933a---97082523603.pdfIn PDF document text
  • http://contextuae.com/resimler/files/kekazidasusoxadaju.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078ae16eca16---fuvujofesaf.pdfIn PDF document text
  • http://indianmailbox.com/assets/images/userfiles/files/79441299359.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160852983178be---maxet.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/c1c2209d67ec56ebb19fcf1f4cdeb1b2/miburetogafi.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/b858e1b0323c649dbb61cbdb92c93526/59838254946.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=proofreading+marks+bookmark+pdfPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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