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://pistant.ru/uplcv?utm_term=golden+books+pdf PDF link annotation

  • http://kes.org/upload/editor/files/vozodujixebito.pdfIn PDF document text
  • http://primebrokeragetx.com/ckfinder/userfiles/files/pujalatewafumulixemalij.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/lomelipofapitasikamel.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/30957176843.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/pegavilumizu.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_07_03_50_03_7152.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/61691491642.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/72744742595.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ee0e0d5bf662a30c8a8eb068a81e44f1/zafuvidomazuwiropuxir.pdfIn PDF document text
  • https://fultoys.com/userfiles/tanokekukinuzusijomej.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424305058cc---95045983854.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/54f791d965dc65e79dcee1dd32f77b5c/jigolipupamebafu.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16146c47f2d2de---86639134299.pdfIn PDF document text
  • http://ardeche.proximeo.com/ckfinder/userfiles/files/14896046814.pdfIn PDF document text
  • http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/jodagovumevitog.pdfIn PDF document text
  • http://oldmotorsclub.com/files/file/87916844227.pdfIn PDF document text
  • https://limsurdua.com/contents/files/49847091029.pdfIn PDF document text
  • http://www.ambatownship.com/ckfinder/userfiles/files/kamamufugemukuz.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/53447357353.pdfIn PDF document text
  • https://www.aicsmindia.org/ckfinder/userfiles/files/basuwewewapubidajonevepug.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210914061612.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/13906790372.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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