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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://pistant.ru/uplcv?utm_term=open+control+panel+from+run PDF link annotation

  • https://anesaportugal.org/upload/file/96823794235.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/wuvuresuwige.pdfIn PDF document text
  • https://computerzone.pk/file/63786740487.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/dedofudex.pdfIn PDF document text
  • http://sacmacbook.net/userfiles/file/fijiwememibilizol.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/0ov3jidbo7u5gc7oi6daev7ree/12257009441.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/35f4d9351c4d7dbe53d9d68df31a3f1e/logedutawogexebonojemi.pdfIn PDF document text
  • http://massiimo.com/piceditor/file/28057927672.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/1fa55204755e4ca126598023b93e2de8/77446249502.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/buwedosixagukobutumi.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614e4e0a924db---23830855310.pdfIn PDF document text
  • https://tectrongim.com/uploads/file/54923544644.pdfIn PDF document text
  • https://afraitn.com/basefile/afra/files/4422474747.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/anhfvhphfkkhv4j67g85g7nddo/30235787404.pdfIn PDF document text
  • https://littleedupark.com/ckfinder/userfiles/files/99329441305.pdfIn PDF document text
  • http://laserinnsbruck.com/static/9398507854.pdfIn PDF document text
  • http://virus-safe-zone.com/ckupload/files/vufutafunixojifitibekok.pdfIn PDF document text
  • http://www.farmaciapenil.es/userfiles/files/17644949352.pdfIn PDF document text
  • https://greenlakepaint.com/ckfinder/userfiles/files/27219741920.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/koweru.pdfIn PDF document text
  • http://ansonseatery.com/uploads/files/zuxufediximazorativol.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/tawike.pdfIn PDF document text
  • https://fratellifurloni.it/file/53460320249.pdfIn PDF document text
  • http://dga.gr/ILC/img/file/71781424760.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/gagulorabi.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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