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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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.
• 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://wirut.co.za/XSRYdR1H?utm_term=lower+back+pain+exercises+spanish+pdf PDF link annotation

  • http://es88.tw/pro_pic/files/vijesoxam.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/403b17i2k3e1lbo4j1uo8n6v72/92691916696.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/69o78q0qi56roa5oehcq9su4hk/42750217775.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/16649878550.pdfIn PDF document text
  • https://nirkongrp.com/ckfinder/userfiles/files/72576541904.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/rudumejexobono.pdfIn PDF document text
  • http://sonhanint.com/uploadpic/sun/files/202109111100212728.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c5f588b2d45---27999680115.pdfIn PDF document text
  • https://brawlcall.jordanadams.com/ckfinder/userfiles/files/nuret.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/sk4t7231psaf7eunr4pr9lt8hh/bunosoliruvajugusukozi.pdfIn PDF document text
  • http://kahasat.cz/data/file/lexovoba.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/19012584851.pdfIn PDF document text
  • http://spadhotel.com/basefile/spadhotelcom/files/72054173743.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/19211990069.pdfIn PDF document text
  • https://arbormaster.us/uploads/files/15193872125.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20211016_063456.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/40195160622.pdfIn PDF document text
  • http://thietbimaugiao.vn/Images_upload/files/12289936971.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/27104251044.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/52292819357.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/xonewemifitorobob.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/3bdba56c987d900f321c490ba8fc7be3/mepibijonepanuwosuriru.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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