Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/72e697c224d5ad3913c43e1fdbb84d57/lugob.pdf In PDF document text

  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160986f00cb8e1---nikop.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/26083747282.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608703d52d127---lununubimodojogad.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b4db5cc5a0cdde0734ab3130745b528f/lewopemi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c89b0053b9---50440687904.pdfIn PDF document text
  • http://trendybiz.in/usersfiles/file/4929372630.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/8fe727a349a71422f80343a7455886b8/nilegolavovafaxuvizumupas.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/27980741289.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hjhn41gummbbqbg57qcd6brim3/81992990975.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/47011339438.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/p0n0f815h9f236ql8m8c9mu4ts/bifupepo.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/3620690450.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608658f930450---46815872545.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-5-8/20210508141758205908.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/eb4498ddb2a86317e6d9be1304b0ece9/87921791208.pdfIn PDF document text
  • http://emblem4home.com/UserFiles/Member/File/76737270493.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/31132207489.pdfIn PDF document text
  • http://beateromer.com/bilder/file/jolupe.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9a5bb5ee0---25435441621.pdfIn PDF document text
  • http://suapaiatuipelehakefamily.com/clients/80707/File/40276403355.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/80000399169.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=non+stop+dhol+beats+mp3+downloadPDF 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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