Malicious PDF — malware analysis report

Heuristics 7

• 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 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.
• 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://coretry.ru/uplcv?utm_term=print+actual+size+pdf PDF link annotation

  • http://ivankrivanek.com/userfiles/file/84274309079.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/68707940185.pdfIn PDF document text
  • https://playworkspartnership.ca/sites/default/files/file/39270930757.pdfIn PDF document text
  • http://huucodatlanh.com/userfiles/file/zupalovapuj.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rezokesinavuwim.pdfIn PDF document text
  • http://cdkuysuujk.handysociality.com/upload/files/dadaxituka.pdfIn PDF document text
  • https://medbioplast.com/klucharnet/images/file/buweriketixe.pdfIn PDF document text
  • http://anm-av.de/uploads/files/53501718246.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/bc7a2e69d3276b7309eb0f24cea6bfc0/6026284870.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-13/20210913132644341019.pdfIn PDF document text
  • http://freetds.net/userfiles/file/28294460921.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/13057061847.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/50157799796.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/bee89f1b8ed664c5b9731014ba5cd4fa/89724595224.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/wanoj.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/dutaluzimonegulimif.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/53228507838.pdfIn PDF document text
  • http://rurisnet.org/images/file/fidugitotilepejuvoresano.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/40930145022.pdfIn PDF document text
  • http://honghuibio.com/d/files/35834963515.pdfIn PDF document text
  • http://bannhuaduong.net/upload/files/vomowuwejavogodolo.pdfIn PDF document text
  • https://maritime-models.com/userfiles/file/modanawetalabekixijadeg.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161315cf4acdd4---xaporifirizox.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/71306f1c6d9c78f02833372121415789/58636142381.pdfIn PDF document text
  • http://women-for-marriage.com/ckfinder/userfiles/files/pegag.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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