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://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/9d3b0d53be198648cb6c6cc2238cfa5d/koxujituk.pdf In PDF document text

  • http://fxmeat.com/upload/file/43341441e563fdebc152e5f88d6d722f.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/72468006573.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb85ce7824b---31554411980.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/vimosigagavetitupukukoni.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba62d153abc---26520290078.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8facecbbd4---71411689062.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/61402112875.pdfIn PDF document text
  • http://hasici-pristroje-eshop.cz/files/file/pivuzaxigixedonasaluzunax.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/powom.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091184924c8c---zipegadixivizun.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/t2gait5gdq5gen9acll8ph690r/gebuwuxojarenipopaxobik.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/6tkijchefli1fk67dlvcmdog98/20808903380.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/35653546346.pdfIn PDF document text
  • http://dentherapia.hu/files/file/xasaboloxuvog.pdfIn macro / runtime command snippet
  • https://akapacha.com/userfiles/file/lakutusujetegox.pdfIn macro / runtime command snippet
  • http://nontaromclinic.com/ckfinder/userfiles/files/4245768922.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/0a394f1ba31360a71126630bd74a209b/jogojefako.pdfIn PDF document text
  • https://cakenflowersonline.com/userfiles/file/fasanopulabodozekiwe.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles//files/rumofakazimevoje.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8f15ae04b---zupurezufamu.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609466ea0c8ba---2784249762.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/1456813692.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ddb9acae5b39eaa2a13da8f97a5c79f4/rosazupuvegisakubefoper.pdfIn PDF document text
  • http://www.urbanwaterways.info/filesIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=the+weather+hour+by+hourPDF link annotation
  • 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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