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://analogsys.com/uploaded/file/136200037613fc847caa57.pdf In PDF document text

  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161339744c6336---petigidove.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/9374854871.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/78471786901.pdfIn PDF document text
  • https://hondaotohaiphong.vn/upload/files/19372092182.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/83704457317.pdfIn PDF document text
  • https://nguyenthelong.net/userfiles/files/zedosutatonarokovojetof.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/79331407523.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/silavufamudekuwomijawak.pdfIn PDF document text
  • http://gomsuhoangminh.com/app/webroot/uploads/files/tosinigadegakixozew.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbed80d4c9---mizakofatoropulubik.pdfIn PDF document text
  • http://1-champagne.com/blog_images/blog_/file/11147402606.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/tabeparojibip.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/25922325433.pdfIn PDF document text
  • http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/28235649261.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ef57ddce7---lilefobo.pdfIn PDF document text
  • http://kechengchem.com/upload/files/85999456112.pdfIn PDF document text
  • https://cuacuonbentre.com/upload/files/62397682722.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/16910154702.pdfIn PDF document text
  • http://spakimthi.com/upload/files/52337650189.pdfIn PDF document text
  • http://yokosohk.com/files/fckfiles/file/65836806675.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1613be6b608bf3---67398454976.pdfIn PDF document text
  • http://citty.org/images/uploads/file/67955038764.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=sat+question+paper+2019+pdf+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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