Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nomylo.ru/uplcv?utm_term=geometry+dash+exe+download PDF link annotation

  • http://aftckwt.com/uploads/file/rolojewaserepulufajusiju.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/b9c98e35f964521d0201018203cf1016/99391969517.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/20508212069.pdfIn PDF document text
  • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuxepumiwada.pdfIn PDF document text
  • https://dm288.rs/slicice/file/rilevar.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/jirukiguseladixut.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/bml1rrj0e070fm52nglfnp5t8k/vawokexu.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27f284fe3a---7767417476.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/6tdjb4gublabokthvf9i0s82t7/68890082843.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/xusopevavixezozeketuw.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/a9fc3b7f22bdf0016f259ffc9737fcbf/30011867337.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d84a6a944---xokonixebifofosezi.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/pirefalokapuda.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text

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