Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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 https://coretry.ru/uplcv?utm_term=essentials+of+management+koontz+pdf PDF link annotation

  • https://ostrichtours.com/ckfinder/userfiles/files/14816907065.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/0cc61d3bd23b61713ebbe30f4f2213cc/45441990839.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/nijibapomotu.pdfIn PDF document text
  • https://memo-log.com/userfiles/file/51005796700.pdfIn PDF document text
  • https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/vebumama.pdfIn PDF document text
  • https://alkathirilaw.com/userfiles/files/9720863888.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614008e68c4c9---didatetamopipobosipimobor.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404f17d1a10---5727551272.pdfIn PDF document text
  • http://risorsaterra.it/userfiles/files/berimitekupu.pdfIn PDF document text
  • http://isotope3.pm-ural.com/uploads/files/lilerapimufuduxovakotozew.pdfIn PDF document text
  • https://jaukiaplinka.lt/ckfinder/userfiles/files/lanuk.pdfIn PDF document text
  • http://jayeonrak.com/upfile_editor/2021/files/volemuf.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/rodemetomejimosuforejofav.pdfIn PDF document text
  • http://www.beverburcht.nl/upload/files/6540628406.pdfIn PDF document text
  • http://usa-ex.com/images/blog/file/nisavefedutatalim.pdfIn macro / runtime command snippet
  • https://giriconsultancy.com/content_files/files/pilepudubipawupipizejepud.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/39441343081.pdfIn PDF document text
  • http://gestaocipa.com/public_html/Imagens/file/tafiserejijezapifufoj.pdfIn PDF document text
  • http://islandpointfl.com/userimages/luxitimeno.pdfIn PDF document text
  • https://12shio1.com/contents/files/vubewe.pdfIn PDF document text
  • http://trunglamdecor.com/uploads/userfiles/file/didasufixumafanupuju.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614442591099d---64220361541.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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