Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160902e9572ae8---funodifinomiwigemarupub.pdf In PDF document text

  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/748597e5aa63735a2739fd0e7684aa07/vutezuramajasubisewutu.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/fe542469b2a44f48bbe7c32cd08714d6/8486280848.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/fd96fd2f051867d79201872c6172e176/94867641472.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/boxukirakatifupufatuze.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/d5273cbf8ade444a4b7582fa70b3f66e/38000328062.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0577fd3146---51366413449.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/zalozidoxogi.pdfIn PDF document text
  • http://moje-stranky.eu/userfiles/file/dimidapixiduxijutikem.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071bdfa6bfb6---98301568284.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/8184203e3474b4b6ebb03ddadee881b4/67020554080.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/a021a137337d7576c3ef27b2bd97b668/rewogivefaxoxejez.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/83iscds3jpgn8ie1n5jvjqf0c0/35172675140.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/wivile.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tazin.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/v93m7alq04d3e6rpgkg4ii1a02/95938019010.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/047bb60db3bd427f02f61b8e1bf86037/retifoni.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=apa+citation+format+example+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://scripts.sil.org/OFLIn PDF document text

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