Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://lazav.co.za/XSRYdR1H?utm_term=honda+crx+workshop+manual PDF link annotation

  • http://www.childofafrica.org/media/userfiles/file/gepebejulatevonurezirav.pdfIn PDF document text
  • http://metaphorcreators.com/kcfinder/upload/files/84279453937.pdfIn PDF document text
  • https://marblobath.com/app/webroot/img/files/mopewamezosunin.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1620de57e48993---62891984046.pdfIn PDF document text
  • http://blueyee.com/upload/file/012026263861.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/zugamuzabesinowular.pdfIn PDF document text
  • http://usairsprings.com/userfiles/file/puboxas.pdfIn PDF document text
  • http://meteoratourismactivities.com/files/files/nosuzidilu.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621a6df6b2e9b---zesob.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/4vq25oaphc0kkjqh7kl68nf0ac/75589345127.pdfIn PDF document text
  • http://baby-daycare.com/uploads/files/202203060356269654.pdfIn PDF document text
  • https://fceresources.com/ckfinder/userfiles/files/99975918684.pdfIn PDF document text
  • http://centrodebridge.pt/ckeditor/kcfinder/upload/files/fanomo.pdfIn PDF document text
  • http://nineslash.com/user_file/file/nebekenubudajagu.pdfIn PDF document text
  • http://sb-78.ru/files/file/josovol.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/gofenikamawodaw.pdfIn PDF document text
  • https://buddhaart.in/userfiles/file/88425556794.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/nopokesajelese.pdfIn PDF document text
  • https://bilgepen.com/panel/kcfinder/upload/files/saditizi.pdfIn PDF document text
  • https://www.eclof.am/assets/ckeditor/kcfinder/upload/files/68859216705.pdfIn PDF document text
  • http://varnamonarradio.se/admin/kcfinder/upload/files/67899915794.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20220313070750.pdfIn PDF document text
  • https://domainedulacstellan.com/admin/kcfinder/upload/files/32110722294.pdfIn PDF document text
  • http://doicoffee.co.jp/js/kcfinder/upload/files/71256883211.pdfIn PDF document text
  • http://tangneylaw.com/admin/images/file/situbesudemegopul.pdfIn PDF document text
  • http://superazs.ru/images/news/file/nepomobobi.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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