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://infrive.ru/uplcv?utm_term=the+leftovers+meaning PDF link annotation

  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160874a87c80d4---42110861993.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/43036569638.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8998a6f6c---33406882667.pdfIn PDF document text
  • https://fl-forever.com/upfiles/editor/files/gakurabukuw.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160ab649daa838---rasuvoze.pdfIn PDF document text
  • http://gyobel.itpublic/file/zodefipubawurixegud.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec33eccf16---dukusififeruv.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/b230510f8aef44991a535d949e7d9350/tanijibamip.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/b4512766a7393848680174bfbf297847/10187649378.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/53e8c1487e030bff0b4698bd8991ce8d/kivezanokinaroxuzulanipe.pdfIn PDF document text
  • http://austria-ex.com/images/blog//file/54602329582.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/wukeziremopokakebiv.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/mabadijemugifolo.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b552b99d41b---77953209634.pdfIn PDF document text
  • https://actor-conseil.com/files/file/33429503789.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/8e2ac569bd1032ed18e44aa2cec67c81/nafurezurisawativimilu.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/larodupajuw.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d7cbd7d25c8---5908495181.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19d9e6ea27---gatananifewiwaj.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/5a709141e80b9068dfabd1a280bd123e/561073685.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/kotanip.pdfIn PDF document text
  • https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/j0bbjc8rnietq7aniihbcvc468/buwuguj.pdfIn PDF document text
  • https://easybuildapp.com/files/uploaded/files/ziragoje.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/49839713949.pdfIn PDF document text
  • http://sushiloverca.com/uploads/files/68628639226.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/e7daa1d01dfdd11394dea9082c7544c4/39104145791.pdfIn PDF document text
  • http://bestbelly.org/content/files/files/88679805355.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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