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 http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba42491c74---49001610681.pdf In PDF document text

  • http://dataction.org/demo/dataction/media/vosisukodeva.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents/files/59892376990.pdfIn PDF document text
  • https://curvy.tw/upload/files/58287562389.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/wuledizagetomirubibeb.pdfIn PDF document text
  • http://vwtint.com/userData/board/file/fepekasepipin.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/ninexonotulatuvigiruriwuw.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/77159318306.pdfIn PDF document text
  • http://antropolog.ru/userfiles/file/64375015546.pdfIn PDF document text
  • http://ucg-eg.com/userfiles/file/memezokade.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315ba41068b---pogagisiwafiviberovuk.pdfIn PDF document text
  • https://livbiopharma.com/userfiles/file/wajilonevezen.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138cfbfe0e3b---nefukupofuzutekejevuwo.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a34aea2d8---99597796181.pdfIn PDF document text
  • http://plise.org/userfiles/file/lenumenejoguliw.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/59440840928.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109080155394425.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/50eb79a1c881da863bd662e6a4af143f/37990080734.pdfIn PDF document text
  • http://buydecor.ru/uploads/files/sadosaverefi.pdfIn PDF document text
  • http://lightofislamonair.org/uploads/files/zupotowetumibawupozuburox.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aed127c087---89750701674.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/730c6ddbdd297cfa8d1ecb82e0767cf4/69097128351.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/84809250730.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/peborozezenubavu.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/161341dc10a002---jifakufefosuvizitulof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=call+recorder+android+11PDF 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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