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://isleo.com/i_photos/file/71111021170.pdf In PDF document text

  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ff79f0840---18529999593.pdfIn PDF document text
  • https://habibitours.com/ckfinder/userfiles/files/15832963421.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/k8f4lifepl6s1tuo1bol4b6lld/49853252179.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/bikure.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/aa70c7d8097dd75d34990e5ec5d62728/dejilej.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/delipirepejodafuk.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/12104885357.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b84d9c2e436---56674815720.pdfIn PDF document text
  • http://krossinkeuka.org/clients/c/c6/c64aa726effa6776341672ea469011e7/File/vibiwujovusekenubap.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/gnnm564g7ns0rr9v1n88rfijl6/manirukasedomalipotodelex.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/667bed23feb52feb6ea114eab0233b45/26899693552.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/3vhcf1c65s41tuuackibh85gvb/bufoburusenamolapovixex.pdfIn PDF document text
  • https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/m6fjvo931kb7r80kpjmljit4uv/nawusariliwed.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/manofutu.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/e968529542e8858273df40887d6e1293/bovugaxezunuduv.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/lumarekefotewupufawija.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/xisederodakapefuxalage.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/250241414881.pdfIn PDF document text
  • http://babywagen24.de/userfiles/file/63260632061.pdfIn PDF document text
  • http://faulkfamilync.com/clients/c/cc/ccb94402b1eed20a0583117be0c0b506/File/23807262199.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/a422788119028c3c650f0a285d9cbf82/10541706668.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=solving+problems+involving+polynomial+functions+through+factoringPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#Referenced by PDF JavaScript
  • http://purl.org/dc/elements/1.1/Referenced by PDF JavaScript
  • http://ns.adobe.com/pdf/1.3/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/mm/Referenced by PDF JavaScript
  • http://ns.adobe.com/xap/1.0/rights/Referenced by PDF JavaScript
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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