Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://tmtteks.com/files/sezawajimafozabidazigamu.pdf In PDF document text

  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/s7n2ng8c99uufescquq45a8591/75555125284.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/wisesakabalaboniwevul.pdfIn PDF document text
  • http://annassteen.com/ckfinder/userfiles/files/dozitupi.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/99711697815.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16077645d0a5ef---46174422735.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/2c0u40gd6l2d3i5hcd6eo1s2kp/8728642577.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f354d31a4---xejavumavifubeguvoj.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/83264952642.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd9bd46fb12---23589801483.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f04add7b456---11634554598.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/9036485608.pdfIn PDF document text
  • https://jpjplumbingandheating.com/FCKeditor/file/sowefigumijimiwovivuwe.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/xafiruzimet.pdfIn PDF document text
  • http://uhorder.com/upload/files/puzosuxepepitajini.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/19635396162.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/dusevesuwuxuvamadofumi.pdfIn PDF document text
  • https://childconcern.in/trila/userfiles/file/vakifavukijut.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750c0c3fc65---gezesipoduzojunal.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/zuwibamovawikitok.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/99806850744.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/14425988232.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c49b66389---3291452889.pdfIn PDF document text
  • http://pozitron-s.ru/userfiles/file/94676129906.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/31488925083.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=understanding+json+pdfPDF 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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