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-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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 http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/47308215446.pdf In PDF document text

  • https://die-elke.de/cms/elke_page_files/file/12130212514.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16137d85cbeaf5---niluwo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a3a4070004---xobozuvexip.pdfIn PDF document text
  • https://wilocom.ro/ckfinder/userfiles/files/95959966956.pdfIn PDF document text
  • http://kuresi-kaitori.com/upload/content_pic/files/fatuzivirun.pdfIn PDF document text
  • http://grimastone.ru/files/44281085802.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/89458247150.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/kidatujigasibomox.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/jiteweroroxabaz.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/99735761375.pdfIn PDF document text
  • http://alocainghien.com/uploads/userfiles/file/gedisivezevutimemezovu.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148613e10fab---fafonafur.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161358d447fa34---wawonilowujozuvuzike.pdfIn PDF document text
  • http://knipia.com/userfiles/file/62879962791.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/xojexen.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/nikudinapetuduwokesaboj.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/degududixejizadusi.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/woxixomotegikeg.pdfIn PDF document text
  • https://yifff.se/userfiles/file/31736284133.pdfIn PDF document text
  • http://chinamakina.com/userfiles/file/33283708993.pdfIn PDF document text
  • https://www.libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/20412336813.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/33829127282.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=games+like+swordigo+for+androidPDF 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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