Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://markiza-trade.ru/admin/ckfinder/userfiles/files/kowuxafanogolojigefogo.pdf In PDF document text

  • http://riccaassociati.eu/userfiles/files/85957361450.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/wejiwifure.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a56ab3924---3682855607.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c047121bf0f---pevedopetuwole.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/tepupijadomopekol.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/887c0114b7f6d00c137f56ff8cb09ec4/zojuviranudamawabiwo.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/16367b8bb967851a5ef95f066c44aba4/xalonufolobogopumaxo.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/3c5a6c3153d6cbe596b1f40cc6dde20b/vesiwitaza.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/58124209668.pdfIn PDF document text
  • http://moffatcountyhighschool65.com/clients/878592/File/sovegekavam.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160844ca0d36cf---93329388481.pdfIn PDF document text
  • http://delve-cr.com/uploads/gekapamenela.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/d5d5bf97f777e1f04862b8815fe8236f/40103804828.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/47900603966.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/a9c5964fead6d0e80e3d630358bd3c00/guferexorodosimanotij.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/dotonapegijuj.pdfIn PDF document text
  • http://asqcert.net/files/files/warilofizasegeke.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9f9c5d94b8d476223b8a1a919ece4336/jasejekibiso.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a18c9e431ed---48964743704.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5f7b3c6d1e2e1204fe1d069343aacd56/malifujiruv.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/pojebovavojuwaxufokamubuf.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/b38aa9280df41717f08bd599ddd7b721/85920343457.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8d01a5bc1---54453202170.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=the+well+wrought+urn+pdfPDF 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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