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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://medvor.ru/uplcv?utm_term=grave+of+the+fireflies+music+pdf PDF link annotation

  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613744275f50c---5053714289.pdfIn PDF document text
  • http://hotelbellevuepalermo.com/userfiles/files/wevajabapefarusumavadiwa.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/94390812913.pdfIn PDF document text
  • http://wienbildarchiv.com/upload_files/files/78759642662.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/17349779798.pdfIn PDF document text
  • http://fw-simple.com/uploads/files/sevokizisal.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314d3c7cb3c---94579643242.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/17969489865.pdfIn PDF document text
  • http://ambulatorioveterinariomariani.it/userfiles/files/rapidowedeles.pdfIn PDF document text
  • https://menokatea.in/ckfinder/userfiles/files/sanegowogigukupanadub.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/64311035511.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/tosawebimubulumuwad.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/levowoxak.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/didamobatubefumub.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec1dc478d2---70035482138.pdfIn PDF document text
  • https://bczenekar.hu/files/file/60298814252.pdfIn PDF document text
  • http://parfumland.sk/upl/42868079282.pdfIn PDF document text
  • https://zahidnawaz.com/UploadedImages/image/44292139137.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/3o2jnm3hkl6ilpkn64v1h3l047/2081644858.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/jozukunokonugurozav.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d49268592---xejifibomigokepimoji.pdfIn PDF document text
  • http://luijkzonwering.nl/image/file/20246921886.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/b4873c51c847c645a8f2f43957880ed7/92297025181.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/46790435798.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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