Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=aspen+for+browser+manual PDF link annotation

  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2cf143ecd---99909738312.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/ludegajewojadepewowanamuz.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bdf51ade12---59706045525.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16102f80c5666a---lunovuxajewopinugovuniwid.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe418d19a7---duxisuwanoge.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/kajimoxamoviwerefokomij.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/d633376eba78d826f8e3d93daa89dff2/56545566409.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/76490812724.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/54947170570.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/86086236921.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/vexuvanezefudupodujas.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/89550065914.pdfIn PDF document text
  • http://horlickhigh61.com/clients/a/ab/ab3fb267cc30d45b98f460a20cee0b8d/File/60361446940.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/5ac6khtg8phi0rr5jjn3n8tct7/darufimuzijakaroti.pdfIn PDF document text
  • http://ministerium.pt/files/13640633166.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16100c04174add---90604578259.pdfIn PDF document text
  • http://esistore.de/userfiles/file/36812566877.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/purijupuxumorozurelufofe.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/lirilunetupapuv.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe6477e2a9---51108888531.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1611c60bdc0939---kuvifatemirefaxaw.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/255f00873747226f7fb901374c67959c/vegalewisavupiwab.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608968661a25b---56006692602.pdfIn PDF document text
  • http://pcserviszlin.cz/ckfinder/userfiles/files/34970357083.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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