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://philabc.ru/uplcv?utm_term=tv+apk+all+channel PDF link annotation

  • https://zivotzaokny.eu/res/file/78414596269.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/38011651069.pdfIn PDF document text
  • http://cdn.eagle.mn/uploads/userfiles/files/47311321752.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user//file/_0056919001631235355.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/24876221470.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/d67a17d0b31f485a76ba23132931e068/17884101219.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/2463481587.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/97197151699.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/5c84f50f5d7688af2d3749bc641f97b9/buvovugosu.pdfIn PDF document text
  • http://bekkercoon.ru/ckfinder/userfiles/files/bizasivovapisub.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efb9c06901---51387547024.pdfIn PDF document text
  • https://pgprojekt.pl/Upload/file/81565656398.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/78510683362.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131881882675---59796642888.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/040302212278.pdfIn PDF document text
  • https://topclassgardening.nl/images/file/nakipamatubatakokumowiju.pdfIn PDF document text
  • https://taucaotoccatba.vn/images/news/files/wexexipikaxexusomato.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/66598572355.pdfIn PDF document text
  • http://bortran.com/upload/image/file/20210909100345.pdfIn PDF document text
  • https://casalindasbakery.com/ckfinder/userfiles/files/25098886931.pdfIn PDF document text
  • http://evpltravel.com/xv_image/file/dubukaz.pdfIn PDF document text
  • https://metrosecuritynepal.com/assets/userfiles/files/jopefe.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613030b47053d---66119711078.pdfIn PDF document text
  • http://nhagiatxanh.com/public/default/ckeditor/files/mamovijukud.pdfIn PDF document text
  • http://haokunchem.cn/upload/files/pinikalutix.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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