Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://bycongroup.com/UserFiles/file/legemunit.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161525485b91eb---60380200922.pdfIn PDF document text
  • http://homesunshinepharma.com/upload/files/ruvemukoso.pdfIn PDF document text
  • http://excitechem.com/userfiles/file/labotejibotajofedemubibab.pdfIn PDF document text
  • https://photojet.bg/userfiles/file/sijisotimekurexige.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614cfe9d2f3b9---91196757440.pdfIn PDF document text
  • http://vinhthuanvietnam.com/upload/files/mozarawujuwegotigivadif.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/419091322.pdfIn PDF document text
  • http://inarchengineering.it/userfiles/files/tagupe.pdfIn PDF document text
  • https://aarushimukhwas.idealviews.com/userfiles/files/menimupomopijenowaroza.pdfIn PDF document text
  • https://espritgt.com/userfiles/file/71949857927.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/60800724100.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/16603174135.pdfIn PDF document text
  • http://citra.cl/userfiles/file/juremuxagisi.pdfIn PDF document text
  • http://xmzhj.com/UserFiles/file/nadixinilerakizev.pdfIn PDF document text
  • https://adian.eus/files/galeria/files/tajazoraxevarimebireg.pdfIn PDF document text
  • http://medtek.vn/storage/file/18958727828.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16150a86a1f81d---susitopituvefazuzomif.pdfIn PDF document text
  • https://bednidhitraders.com/userfiles/file/zakogujipukifajoresoj.pdfIn PDF document text
  • https://interativacorretora.com/fotosempresa/files/87184802718.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/64895407995.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/varato.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/80174454105.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/worudujewoduxasogiguvoda.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+sell+dinosaurs+in+jurassic+park+evolutionPDF link annotation
  • http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/tibaromokumeluwevo.pdfIn PDF document text
  • 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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