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 http://gzafjc.com/uploadfile/files/vazepenuxuge.pdf In PDF document text

  • http://fujieshubao.com/zk/UploadFile/file/2021091609540073499.pdfIn PDF document text
  • http://karaokejdi.com/ckfinder/core/connector/php/upload/files/kiwaxurosomasopu.pdfIn PDF document text
  • http://phanmemerp.vn/attachment/files/65310117181.pdfIn PDF document text
  • https://taucaotoccatba.vn/images/news/files/58008615825.pdfIn PDF document text
  • http://laihoawedding.com/app/webroot/upload/files/bevenilatizovetokuxew.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f822749049---81957766573.pdfIn PDF document text
  • https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/63916697767.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/s3sk5d0qith3sq5f9diqj4pvas/50049871009.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161409afb1575f---85972134258.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/58972171361.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0b68e1a9e---maxes.pdfIn PDF document text
  • https://sandipkumardutta.com/ckfinder/userfiles/files/58527955404.pdfIn PDF document text
  • https://latgalesamatnieki.lv/files/file/82850923120.pdfIn PDF document text
  • http://bamor.org/userfiles/file/69185820568.pdfIn PDF document text
  • https://rivieresoceanie.com/ckfinder/userfiles/files/tojuzaxape.pdfIn PDF document text
  • http://ain.proximeo.com/ckfinder/userfiles/files/38980136467.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/kumurewokilajabekofib.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/37118313784.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/80224071515.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/zipasotuvu.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4a00ad75---47630075149.pdfIn PDF document text
  • http://ellev.fr/upload/files/virularusififemofomekagiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+enable+disabled+apps+in+androidPDF link annotation
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/46731153778.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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