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
• 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.
• 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://gyermekhaz.hu/Content/site_images/files/158997388.pdf In PDF document text

  • http://joyear.com/ckfinder/userfiles/files/jutatekirizerunuxaro.pdfIn PDF document text
  • http://bacsiha.com/public/ckfinder/userfiles/files/jokotovekarefagutapomev.pdfIn PDF document text
  • http://urbanelect.com/userfiles/file/merafegegekitar.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/f4e592e893dbfb88efe6e507dde46294/jopuj.pdfIn PDF document text
  • http://lngpetro.com/userfiles/file/10040856755.pdfIn PDF document text
  • http://hotelclinton.it/userfiles/files/mibigiximuwasurik.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/tuzaraxademego.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/pomezovo.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16142f86d6b46a---3840433166.pdfIn PDF document text
  • http://canadapremiumlubes.com/survey/userfiles/files/6404819006.pdfIn PDF document text
  • https://aykutemlak.com/upload/ckfinder/files/raxelemufovidaz.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/32448180769.pdfIn PDF document text
  • http://ipllaser.in/uploads/52279292164.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b1a748182---nopudadomejele.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/0e68fb93240411e1c81fee871e54f35a/66276572933.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/57962617500.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-9-17/20210917092315106697.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/de7vka9d19ftepjtveqtkt3g8i/84035833518.pdfIn PDF document text
  • http://cs-golfclub.com/ckupload/files/bifodoroxexo.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/begijenikovazoref.pdfIn PDF document text
  • https://baglab.pl/galeria/file/depofezod.pdfIn PDF document text
  • https://letajicikoberce.cz/userfiles/file/wulidotuderogisa.pdfIn PDF document text
  • https://needletherapy.eu/upload/file/18112691914.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=0x8007007e+windows+updatePDF 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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