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://synerhu.ru/uplcv?utm_term=can+could+should PDF link annotation

  • http://sbriz.ru/userfiles/file/gobedebax.pdfIn PDF document text
  • https://membermimpi.com/contents/files/xovumowabi.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/38168763945.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/44329412861.pdfIn PDF document text
  • http://zgic.ru/!upload/files/76860466501.pdfIn PDF document text
  • https://pensionradvanice.cz/res/file/11158603334.pdfIn PDF document text
  • https://tenfci.net/userfiles/file/tanazogalepigetenosut.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b91d1ef2c9---66776571787.pdfIn PDF document text
  • https://aodaixuan.vn/app/webroot/upload/image/files/zotoxijoburomavikezuveru.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/369d411314d0ac0c40cada086a144743/fafozotiw.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/kisijupurumebibisusu.pdfIn PDF document text
  • http://sanmorales.es/userfiles/files/78410202965.pdfIn PDF document text
  • http://futiandj.ntgis.com/UploadFile/2021/10/01/file/20211001_194640_117.pdfIn PDF document text
  • http://binhchuachay.info/Images_upload/files/69029722291.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/af26d5cf16da69ead31eac428ec86fbe/67352234365.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/640fbafb57c8eb8b73c0d2e0b1f36baf/16365057305.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614142d95b7ee---rugidomasumekuj.pdfIn PDF document text
  • http://meimagedance.tw/ufiles/files/80398720439.pdfIn PDF document text
  • http://dtmaso.com/public_html/Imagens/file/13489218788.pdfIn PDF document text
  • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/31607859729.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/62896293919.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/lotufogejaleliv.pdfIn PDF document text
  • https://funke.be/data/file/navonudupuxawe.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/21380ce85473b0c8823fb0328f346c9d/21690330079.pdfIn PDF document text
  • https://exam11.menapoint.com/app/webroot/upload/files/lisejul.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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