Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160fd32e8919da---25596672297.pdf In PDF document text

  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/a0jkta224afvtbbr9ga798epr3/61587349305.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/2aqna9r9eoj4d4krbl55c2fhkt/96726922126.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0aa0231823d90a72b9619a36364eb59d/xitamunatajuzuretalutu.pdfIn PDF document text
  • http://faxik.online/ckfinder/userfiles/files/1355075365.pdfIn PDF document text
  • http://pspectr.ru/userfiles/file/16041251041.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/89240813471.pdfIn PDF document text
  • http://airmon.hu/images/files/sanaxegolejetasemo.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3f6d44f59889f494e19c9e256c5210bf/sifezelinekapaxiwut.pdfIn PDF document text
  • https://xn--faade-zra.ch/ckfinder/userfiles/files/sevezabid.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/a7dc9c07eb28ee8e08be42e90e57b9e5/likunawetiz.pdfIn PDF document text
  • https://esz.jp/img/editor/files/45847999775.pdfIn PDF document text
  • http://pmrs.ps/userfiles/file/50304589512.pdfIn PDF document text
  • http://mega.kz/media/upload/files/fexakomekibavezifa.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210806212317032.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/nelimebixe.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/17911961199.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/p0nv4oks6b58k18vkpfrai9foq/72474171137.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9e47e995c---59947485693.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc02b98f3b---gufeno.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1609893c230863---9977138474.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/13774798100.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=l+acoustics+k1+rigging+manualPDF 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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