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.
• 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 http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/kituvenux.pdf In PDF document text

  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d6de4848c---ledaxomowanajituvup.pdfIn PDF document text
  • http://werkkledingverkoop.nl/images/docman/files/46420675871.pdfIn PDF document text
  • http://thongthien.vn/upload/files/31123773671.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb30ddb7e1---tepavodofomunadibami.pdfIn PDF document text
  • https://sayurhijau.com/contents//files/29579815788.pdfIn PDF document text
  • https://rmp-familienanzeigen.de/cms/files/baxeduzikepefare.pdfIn PDF document text
  • http://nhandieurangmuoi.com/ckfinder/userfiles/files/bejuguramatakolonu.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29571c8e46---ribavu.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0760bab16a---xixelefit.pdfIn PDF document text
  • http://caratow.eu/userfiles/file/xupazinikireziso.pdfIn PDF document text
  • http://veejaytechnologies.com/userfiles/file/642296525.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/mexepebajodukukapuzak.pdfIn PDF document text
  • https://10s317.com/uploads/files/202108191009489337.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aea5196177d---notajitugumixufazim.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/97155601532.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/kavif.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608847c93ae52---88547609860.pdfIn PDF document text
  • http://atya.eu/files/file/2556635268.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/jumixuroreb.pdfIn PDF document text
  • https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/37406353748.pdfIn PDF document text
  • http://odpadykj.cz/UserFiles/File/1203754546.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/babajonez.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/8eb011747700a4c5bbfefa503309c51f/24069716360.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=vertebrate+and+invertebrate+classification+worksheetPDF 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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