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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/vnsqguhlgg4n35a98d7qhvkmj3/nagodunedine.pdf In PDF document text

  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/mfvncmdjqd405rqdeifu30t0pr/21883880421.pdfIn PDF document text
  • https://protectname.xyz/whoisprivacy/userfiles/files/3617418418.pdfIn PDF document text
  • http://sevennews.com.br/ckfinder/userfiles/files/sibaxi.pdfIn macro / runtime command snippet
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f6ca8d3bb44---derite.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/20216231828205737.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/tiwulim.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/b5e1a3c7b4234fc2fe43b7769777f5b4/83795626319.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071961726c0a---43249962469.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/31576337621.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bba8538dc0f---zasejovozenote.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/kbvcas3jru47dfcln2vt7sd7ko/dofix.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/bb5048ee6fa21b4e1bc9dee58439c8a2/23086068565.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bd944514f72---fexaxowuzovu.pdfIn PDF document text
  • http://alexanderjamesbackcatalogue.com/userfiles/file/mitetisovujofefikerefo.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/oiq5vaug8n5o8b8gt2m7ovq366/23027710689.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/82152958056.pdfIn PDF document text
  • http://murphysbeads.com/clients/54316/File/wakidatukifewifokezasari.pdfIn PDF document text
  • http://finemetal-cn.com/upload/files/luwopiwoxo.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/71421010011.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/c018e58b45e9218a6f16e64ecf695c88/22924941593.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a69d2017af---28996276501.pdfIn PDF document text
  • http://www.fotolIn PDF document text
  • https://protectname.xIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+replace+a+lost+ebt+card+in+paPDF 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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