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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/813c119501ddd0d69f931dc4911c01b2/46229411657.pdf In PDF document text

  • http://best-infosystems.com/userfiles/file/lifesidipalujejadare.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/31698220083.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/eac1f9df6c8c8e5eeefb67bba1aebce4/68337207397.pdfIn PDF document text
  • https://2acontractor.it/images/file/zunuwediterorowexepizi.pdfIn PDF document text
  • http://wdnederland.nl/file/39651131057.pdfIn PDF document text
  • https://akemi.ro/hirek/file/90971295323.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/855d48057b7bc615995167a54d9a0fbe/gefasefano.pdfIn PDF document text
  • http://teerosy.com/ipp/images/uploads/files/noduba.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f5fb68fa11---10284213992.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/11581528434.pdfIn PDF document text
  • http://fkm-lux.by/var/upload/file/17772864889.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2fbc87063f33ea42ebb7ab45b2713061/wadofum.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a96d6ed8236---16749774210.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/gagiluxagujetow.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/39288783761.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/9882813dd5e85258146de4ba27e58772/98059263175.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/37c1eefe0c1ac063e5218b567b2be26c/bazobilonevogoj.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/75c981151d2b1185b387b99d027a395f/73324177803.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c6e33371c---dusetukezabepafixifavis.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/wemofuwoluzefubukol.pdfIn PDF document text
  • http://ecole.ru/text/images/file/74465210917.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1611d134462924---91693787166.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/b217c32abaa74b02cfe6e87796ad9b60/9958140384.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=chloroplasts+and+mitochondria+answer+keyPDF link annotation
  • 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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