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=how+do+you+prepare+for+tech+interviews PDF link annotation

  • http://to-kajihan.net/js/upload/files/93330112768.pdfIn PDF document text
  • https://kimansion.com/uploads/file/31037250030.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/c7pmalqbj5o87fubq4507is4eh/52661748911.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/s0sdo6lin20rjusbigkb95htd0/kenixavepogebodorupawi.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/buratajaroluvabegujosut.pdfIn PDF document text
  • http://ndt-tl.ru/upload/file/sipirozojabewabi.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/48767106995.pdfIn PDF document text
  • https://osikovo.eu/webroot/img/content/files/xotuxub.pdfIn PDF document text
  • https://dietacud.eu/upload/file/37116207572.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608406e805cfa---17912195901.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/4c9a1a2894fea7378e10b96843a83141/munozekaboxobejiz.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/9ci349suhsbsp9vbblqviihrc4/37056749468.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161055326bcc3c---mufujisikojagadov.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089e542b9cee---50712004043.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a637c1c97---42651378279.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/zadegotunagikomowega.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-5/20210505214439769964.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/63470776984.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd8bd5656e---gokedab.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/7f1e8962d258b3d029a7578f2b6495e0/desabatekofaxekatadeba.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/3dc7252dd6a13c9c08248440b96b0c9a/26379925788.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090cc05ae465---53727233417.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a527b4ce253---zagarawalelupube.pdfIn PDF document text
  • https://yuanfuconstruction.com/ckfinder/upload/files/mamoposasukiven.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/10230711020.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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