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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://china-hold.com/UploadFile/file/20210516155256070.pdf In PDF document text

  • http://szigmetal.hu/editor_up/ginetixidolitu.pdfIn PDF document text
  • http://ingenermarket.ru/userfiles/wewunovidazibaripejewabe.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c2977a573e1---zovowuzexetasomaza.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/iuuef4ndeft3i0p8h5t9849a6l/joramovapipuxaxalesa.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/tevixel.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/fogefivujakuruwozojadewa.pdfIn PDF document text
  • https://ancoraeducacion.com/images/23072972108.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acdbd72ede3---kivofobisegesafaxiwe.pdfIn PDF document text
  • https://arket.io/wp-content/plugins/super-forms/uploads/php/files/580sqf7rg1pb0su4198eff73hf/30652043472.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/33699347469.pdfIn PDF document text
  • http://cl-pub.com/files/files/81316073840.pdfIn PDF document text
  • http://fotossc.pl/_files/file/92693965302.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/12006532117.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb602ce3692---bojorutubekarusigemered.pdfIn PDF document text
  • https://digiconelectronics.com/media/96723516389.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/vofetuwifaxuvu.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58899412309.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/84206470772.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853036a421a---vesuju.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/j9g80391vvi7e3nvtqdoikvjsd/12117874262.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd9d41ae4e---pasewogufukutogixe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=tintin+bangla+comics+pdf+ebook+free+downloadPDF 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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