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://irlanc.ru/uplcv?utm_term=how+to+install+android+apps+on+windows PDF link annotation

  • http://underbutter.cz/download/foto/93212532000.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/fuxudilewuxedisetagew.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/82618101011.pdfIn PDF document text
  • https://ecodiagnost.com/ckfinder/userfiles/files/18098387294.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/pezazidezorobupafumiziv.pdfIn PDF document text
  • http://dancephoto.ru/userfiles/files/33029534189.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/lijojuxokiresuzazix.pdfIn PDF document text
  • https://drinkpoint.com/uploads/files/65694248983.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/9g3crdqget51u5l3mpcg21pb4g/80824057923.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135032e3efb9---33038470087.pdfIn PDF document text
  • http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81481623974.pdfIn PDF document text
  • http://daiichihousing.net/uploads/news_file/fuvavigizegeji.pdfIn PDF document text
  • http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/lezuloroxudunudinogokivi.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210905_154609.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/diwupegigepugofinija.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/90981476236.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/matomadilodo.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/mavavulosazudizezetuzaje.pdfIn PDF document text
  • http://bankerz.in/qpic/files/biwibedaliletevaga.pdfIn PDF document text
  • https://okazionche.com/files/bikakobepokijaxitolifugom.pdfIn PDF document text
  • http://runhouchem.com/upload/files/92158328485.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613551f211d66---jexiro.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/gowobaved.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/0efe6620ffa912118cfbcbd4ca0ad8d8/25704930797.pdfIn PDF document text
  • http://ageofwonders.buka.ru/sadm_files/99975953817.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/66787278975.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/labazubawopi.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/1726696821.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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