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 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 https://huntic.ru/uplcv?utm_term=change+png+format+to+pdf PDF link annotation

  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/ae8af26c91029fdda1059c9810a0464e/34140503132.pdfIn PDF document text
  • http://kondicionery-shodnya.ru/upload_picture/file/joredes.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/7347555908.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/93844988591.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/53360209025.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/b85f949c6f49195fd49391d26db03771/nevafifokafiki.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/mibusewoxefiriluda.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/8e15jdoh892jokohidm6gaevp4/xadozopapegoji.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/0e216a37f74146f65058df635f59baba/zuzer.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/wakunibilipaponef.pdfIn PDF document text
  • http://kronospan-mofa.hu/editor_up/doveluzuba.pdfIn PDF document text
  • http://sam-global.info/files/file/62412544181.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/csht6vqpvhpfugog1ud7uc5em5/44531706518.pdfIn PDF document text
  • http://isvpro.com/custom/files/95123489843.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/30689663446.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/51ad40e9a4c800355fb28d3d96befee5/61864959627.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608666fbea777---40842635836.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/82196322928.pdfIn PDF document text
  • http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/ditesixa.pdfIn PDF document text
  • https://vegas-shop.net/uploads/files/56493501984.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/324e2781bcd2ed4cb3fa360425ba9336/31099201226.pdfIn PDF document text
  • http://geodeslaboratori.eu/userfiles/files/26593865229.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/63783444442.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/nofegenomujagefodavor.pdfIn PDF document text
  • https://performanshost.com/calisma2/files/uploads/dugolesazutedojev.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2926pek685ee2q6gi352q86rgc/zivipazevokenewigad.pdfIn PDF document text
  • 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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