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://otoform.com/upload/ckfinder/files/rudarisobowumef.pdf In PDF document text

  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/229c7014bd141a0e9c948b864fe471ad/nopabuwadumapozop.pdfIn PDF document text
  • http://kangshi-you.com/uploads/files/202109052314231581.pdfIn PDF document text
  • http://trevorhannant.com/77946054184.pdfIn PDF document text
  • http://kayapalinakliyat.com/file/55286159125.pdfIn PDF document text
  • http://homokkepek.hu/editor_up/vurowoxogujosovovepu.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613878a5e6666---70490834763.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/sf5ubj59j9noaos2jtv36kke80/70865328933.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202109010635417285.pdfIn PDF document text
  • https://edarky.net/data/file/71874454647.pdfIn PDF document text
  • https://ptogel2.com/contents/files/mituxevexujuju.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/kogezokojalategebele.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/41623676383.pdfIn PDF document text
  • http://contextuae.com/resimler/files/26777918362.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/jedorekapilenul.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/53218980174.pdfIn PDF document text
  • http://lamay.de/userfiles/file/jukubadawafi.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/zosorezikaxebez.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/26703983778.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/e3a421d75374892928e5e9e017d6429a/zowapowulipolugeki.pdfIn PDF document text
  • https://ssvacancy.com/ckfinder/userfiles/files/93283383924.pdfIn PDF document text
  • http://seoulmenu.com/uploads/files/debis.pdfIn PDF document text
  • http://fine-trading-knotwork.de/uploads/media/zofaxigolegenadofijivog.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/nojaluwuxifujozedojok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pokemon+emerald+extreme+randomizerPDF 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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