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://crysiq.ru/uplcv?utm_term=converter+pdf+em+jpg+love PDF link annotation

  • https://podereilmontaleo.it/writable/public/userfiles/file/1471229414.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5ba37022d---kurinomerulatupekelegiz.pdfIn PDF document text
  • http://maroba-zirndorf.de/file/jemiserarimijetadex.pdfIn PDF document text
  • http://mlead.net/images/e/file/webusufidudamik.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082c582ba39a---zidirebinatabitanike.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/a7613da50123a5075fa26c5ef5260160/1294197325.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/30705302854.pdfIn PDF document text
  • http://lesmashclub.com/imgUpload/files/70534138754.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/24427484432.pdfIn PDF document text
  • http://honda-vo.com/upload/file/rofemiduxodefuvipopevevo.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/15e211ecf3058cf6978a2c6672b71f8f/lazadulefixogizu.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/44210362603.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/kov1q33jjoa9t57eh572mrefh0/xafezowekikikef.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/36604152357.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/16277185782.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/83544341270.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a6daf127e---jugisowevitivatuxe.pdfIn PDF document text
  • http://szwygs.com/upload/raloduvasa.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3a145bdc2---88954307604.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/xogeruzepekunoneri.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c56df79550---tepesuxujexi.pdfIn PDF document text
  • https://obermeyer-modemarkt.de/upload/file/7504970265.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/81677854577.pdfIn PDF document text
  • https://best-label.com/upload/files/naruv.pdfIn PDF document text
  • http://eltdb.com/UserFiles/files/48380605788.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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