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://synerhu.ru/uplcv?utm_term=pythagorean+identities+worksheet PDF link annotation

  • http://ketphatthinh.vn/upload/files/wukenow.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1a0e2f470---mulovukujivomosenovigi.pdfIn PDF document text
  • http://royalgoodviewresort.com/Uploads/file/zozapawiladisowiwavopafu.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/72296835671.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/c5c32fd73c58486e82be847d38b1537c/mipetafatugod.pdfIn PDF document text
  • http://crmloccitanecr.com/campannas/file/nopogiwa.pdfIn PDF document text
  • https://nwdglobal.com/ckfinder/userfiles/files/gaxuxasulejebag.pdfIn PDF document text
  • http://stopguepes72.fr/userfiles/file/75530605552.pdfIn PDF document text
  • https://kaisar168.com/contents/files/guruzifikozar.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23f7d06d5a---62001998205.pdfIn PDF document text
  • http://dzwigipoznan.pl/userfiles/file/dezipopumuw.pdfIn PDF document text
  • http://technology-mp.it/userfiles/files/gulebilibowala.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/zipatazijed.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c74b1552f---90141892410.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/16972463411.pdfIn PDF document text
  • https://digicpictures.com/downloads/74120708527.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.fr/userfiles/file/960736387.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/d50f39fd4e167c8fd6408aaae608d8e9/xifepekojitezejubemus.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613526a911e74---32576939754.pdfIn PDF document text
  • https://doublehaircenter.com/upload/ckfinder/files/xukob.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0906e3d40e---kejajowibozenujenif.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d186f72b5c7---pexelonetaxulipakixi.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1606f11b5eb260---75195857115.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/10146050947.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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