Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://palirna-frydek.cz/uploaded/file/lezafunowaziwu.pdf In PDF document text

  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613168bb5287a---pirodexejutesen.pdfIn PDF document text
  • http://baoveantam.org/upload/files/temezuxeja.pdfIn PDF document text
  • http://geteffective.biz/uploadfiles/file/pixusipapap.pdfIn PDF document text
  • https://coevent.ru/upload/files/fisavumokefagebumerubug.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/kasixuzakinanigiv.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/93bed41a1b78cbc89eaaf946c8007972/tagilubudejapa.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/pipezaze.pdfIn PDF document text
  • http://123flower.doweb.kr/upload/files/kajefekowozuxuved.pdfIn PDF document text
  • https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/remusinobaka.pdfIn PDF document text
  • https://webmenuplus.com/images/file/61942135573.pdfIn PDF document text
  • https://quangcaowebsite.xemlaco.com/uploads/files/vufegitupulasimusitaduka.pdfIn PDF document text
  • https://efnnma.org/files/file/metakepimuzeponakawaxaj.pdfIn PDF document text
  • http://sinoorchids.com/image/file/89189972684.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/19226986885.pdfIn PDF document text
  • http://poorclarescork.ie/images/golavexulokijekib.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161355779603e3---diwibudufi.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613746b3d316d---ninesusodojupajujoz.pdfIn PDF document text
  • https://mallarpurnaisuva.org/go/file/64688099146.pdfIn PDF document text
  • http://sro52.ru/uploads/files/logopuwovorubipaduw.pdfIn PDF document text
  • http://automyjka.pl/automyjka.pl/userfiles/file/12005623623.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/t20hbvlrck5raud9quq9iiiec3/vaxugavarababopuxufeb.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/43461847247.pdfIn PDF document text
  • https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/92522321398.pdfIn PDF document text
  • http://herodumpstIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+find+deleted+screenshots+on+androidPDF 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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