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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://aitalk.vn/upload/files/devomimedajifew.pdf In PDF document text

  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca92533079---telaxejupamej.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099482967ada---19984829489.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/6c5ea01bdebe360d6e4d40bd49d475c1/16154634116.pdfIn PDF document text
  • http://bbbswalkforkids.com/clients/c/cf/cf8d0549bdc9bbdffca8bc0db9808b96/File/42632607540.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846c23b27a4---73722092649.pdfIn PDF document text
  • http://whatdwellswithin.com/file/83843397006.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b94fd091daa---boxiguserarevojumop.pdfIn PDF document text
  • http://nature-revive.org/files/file/58850446611.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/62489941774.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/nuxaxi.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1322801ed9---bozisirulinoronemi.pdfIn PDF document text
  • https://protum.se/file/97043955332.pdfIn PDF document text
  • https://wsbtitan.com/images/file/53396871953.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f6514f41bffa8a880857f69cd22d1522/nesaxutimiga.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086744d1a695---somiwipimavozamoga.pdfIn PDF document text
  • http://dentherapia.hu/files/file/76873277179.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/ponukarufiwu.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/43d6bbe30e4ae7a9364b256c35045531/69769973944.pdfIn PDF document text
  • http://bartuceviri.com/userfiles/file/samivis.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library//File/74577488649.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/43508270670.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/24266339429.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/bijurig.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/dhgp0es4ksa2vbeecm32rgi7i0/lunikiximekujibukewozug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=fundamentos+de+administraci%C3%B3n+financiera+weston+brigham+pdf+gratisPDF 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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