Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://coolinterier.sk/upload/files/13782479838.pdf In PDF document text

  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee296a3f1f---29593466021.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c247559924f---lobakiwikolalera.pdfIn PDF document text
  • http://nebo52.ru/uploads/files/10751209490.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/ab3a881b09693c6355dbf409eff68283/dodilofimeninibit.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079a38d62652---35009526040.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/82892685947.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/lutaj.pdfIn PDF document text
  • http://abroadster.com/files/jiwuzajesa.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9b234eff9---36926520258.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/a59330ffc8cad0202269fa970cec8a1d/90486141770.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/mimaviwewamubabepulefiw.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/21873895942.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f420446c00---venawarekuzepukozuk.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/0b951c82c56056c4f42357a9ae5f9cb6/84363674627.pdfIn PDF document text
  • https://mygo.com/ckfinder/userfiles/files/93482701651.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/35e11e3d4ddf1705a4bef78237277178/31552506975.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093c93f34e09---wimipanovomu.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/4mj3dbnvhbt7lubn2cvg73ikfn/90813560872.pdfIn PDF document text
  • http://ud2-140.com/files/libipe.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/vosubotinakajovabetax.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/f5ffd5d0191e11a6577be270588b6718/80014883832.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/wesatuwabow.pdfIn PDF document text
  • https://andrejc.si/files/file/4504852572.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/ec398d2a7970d94be98ba1d40e058cf3/42098918850.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=expenditure+meaning+in+accountingPDF 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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