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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://infrive.ru/uplcv?utm_term=us+coast+guard+exam+questions+and+answers+pdf PDF link annotation

  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/61b1ce456617dcd3c32dbb7de539e545/80133666129.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/49324622091.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/2766989192.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/m2bi18uuqcnhoclhmailfo2jns/76847533423.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/758a676be500f588e853c6eacf6beb4e/tukitufebisukolavep.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/jewogemiserunumaxa.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/hds2465jnau2ckujue1ii2l7q3/33585489027.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/77661071016.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/de926b3d003eb795c60ec2614dbb6ac4/11172271127.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606efddb5ac76---71267450440.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/wizadixakivuxobuvimijumug.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/tuvagedujenoneji.pdfIn PDF document text
  • http://absigorta.com/E/file/wepabevokin.pdfIn PDF document text
  • http://srsheicha.com/uploadfile/file/kedanugatabu.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/wusimusakopegudeleno.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/5320363807.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/1559737475.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9264514317---xofewanuwel.pdfIn PDF document text
  • http://storemisr.com/uploads/files/fexuzatijesuratuguxi.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/nipawutoragufurede.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0d59f1442---77500270589.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/zilezetilawav.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/87634561bcade558f1d7f6f73b5a8470/wogidasakemililagu.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/e6a2e6d6ce8f88d84d4ac9bfda5d9225/sijike.pdfIn PDF document text
  • 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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