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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=watch+my+hero+academia+movie+online PDF link annotation

  • http://nyitotthaz.hu/userfiles/files/26114721326.pdfIn PDF document text
  • https://ilexgold.com/app/webroot/files/userfiles/files/15786725886.pdfIn PDF document text
  • http://24cvety.ru/upload/files/48745714722.pdfIn PDF document text
  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/2911408176.pdfIn PDF document text
  • https://fasleh.net/Files/files/55692184686.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd14385b61---36991738161.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161431c468cbbd---90722540056.pdfIn PDF document text
  • http://gpp300.fr/userfiles/file/71491563556.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/zipatizofoxifo.pdfIn PDF document text
  • http://another-partner.morefriendship.com/upload/files/16916412399.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/xewajutuzuzadupenuzasa.pdfIn PDF document text
  • http://jmyhship.com/uploadfile/files/36933321781.pdfIn PDF document text
  • http://principesgs.com/userfiles/file/40792589421.pdfIn macro / runtime command snippet
  • https://hogozaty.com/ckfinder/userfiles/files/jozivunozedefajulipejeket.pdfIn PDF document text
  • http://burmeseburmilla-allevamento.com/userfiles/files/69907646980.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/d501d8ac1a4f2efbef82ca8cb1ade251/22651323874.pdfIn PDF document text
  • http://sozopolihills.com/userfiles/file/sutasalux.pdfIn PDF document text
  • http://www.fuchingrading.com/upload/file/87243764536.pdfIn PDF document text
  • http://kartywspomnien.pl/uploads/assets/file/95297652795.pdfIn PDF document text
  • https://12shio1.com/contents/files/lizupagagolebusabar.pdfIn PDF document text
  • https://anitt.in/ckfinder/userfiles/files/medikiwezub.pdfIn PDF document text
  • https://remini.hu/userfiles/file/76217280593.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/77437070689.pdfIn PDF document text
  • http://dae-young.kr/upload/fckeditor/file/92915644271.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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