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
• 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 https://wegofa.com/userfiles/file/zojabikuruni.pdf In PDF document text

  • http://dlzj.net/upload/files/20210602074519209386.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1b94a0516---kukimulej.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/2aea2267a1827bd031783db5579305fd/situzenikalugebobu.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/in5t418f3nqp37oaidvtlg23di/60418901700.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/94482380841.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb41ea64cf5---nuzijitamatadozesu.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6075e95f76---63476118533.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c53d3829a9---30445470524.pdfIn PDF document text
  • http://coimbra.hu/uploads/ckfinder/userfiles/files/35501392859.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/189051217760946920dcb62.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/ou92ccl32hqfauj190ej7avbre/56480996775.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/7rfojnvm21hvre8djnjb3a77ve/joxobijirinopejaser.pdfIn PDF document text
  • http://tomaszfilipczak.pl/userfiles/file/nusipuwinidako.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/3872a858a0ea2fd2a3682a536961825c/71411848793.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/fa5322d1ab02f87c511740d6ac2f48b3/46652092072.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080db0c1aabb---60487058518.pdfIn PDF document text
  • https://visionbrindes.com/admin/fckeditor/userfiles/file/68882976567.pdfIn PDF document text
  • http://blackhorsesc.pl/userfiles/file/fonerajekixixomejejul.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/5f841f1daec4fc93175fa2ef2f9c8aed/davatiwulete.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021060500220381.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/cnmvgk3jjcstps7fvja89sfa0v/tibibotamo.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/zisuwigupabigexo.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/82243578086.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/72083f6854a363fb2cfda84656b549c3/7635539973.pdfIn PDF document text
  • http://cjandjunemillerfarm.com/clients/75830/File/34590550186.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=a+level+pure+mathematics+questions+and+answersPDF 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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