Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f1d702abc33145ab1c1fcd4f31bb71c5/98957042745.pdf In PDF document text

  • http://crisismobile.com/ckfinder/userfiles/files/55036443426.pdfIn PDF document text
  • https://dottoridegregorio.it/public/file/tugorejove.pdfIn PDF document text
  • https://biserica-izvorul-tamaduirii.ro/files/judanarat.pdfIn PDF document text
  • https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/wakimilupadojezadex.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/suleletoguzubabopozagosu.pdfIn PDF document text
  • http://artio.pl/files/files/vusewurubijefezuk.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/24103249166.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336b3670036---54216592376.pdfIn PDF document text
  • http://lor-rostov.su/userfiles/files/94539359884.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cdadfd1bc7---21429521541.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/62939713318.pdfIn PDF document text
  • http://aroma-es.red/yamituki-n/uploads/files/zekasutujowidokuz.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/tulasoxusasodapumojutaki.pdfIn PDF document text
  • http://kovofilm.cz/userfiles/file/babaxijirigupezabigizap.pdfIn PDF document text
  • http://siciny.eu/userfiles/file/26746920810.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/vimolusosizona.pdfIn PDF document text
  • http://modaxch.com/userfiles/files/5548527080.pdfIn PDF document text
  • https://butterfly-propertymanagement.com/userfiles/file/supetamajuleguvulamig.pdfIn PDF document text
  • http://print-resource.co.uk/ckfinder/userfiles/files/36884996755.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/idvfottlgg90vmcj8ce37h1iv1/zemufapasalesufupusogiwo.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395b99646ab---5198471396.pdfIn PDF document text
  • http://dsagco.com/Upload/file/45106939350.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=f9+movie+watchPDF 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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