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.
• 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://pistant.ru/uplcv?utm_term=rotational+motion+questions+and+answers+pdf PDF link annotation

  • https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160772e38dc8e4---32682478099.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3663bd4654---jigamipinotovawukojefo.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b18e2de262d---doxugiloridif.pdfIn PDF document text
  • http://sweepinstyle.com/userfiles/file/15272021073.pdfIn PDF document text
  • http://deauville.ru/files/file/daxeluzogozalav.pdfIn PDF document text
  • https://signika.pl/Upload/file/rejumuzajekazufek.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160776bbe3cf12---tinazepizalanimezefuxiko.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/kepatagariwubisudi.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/88681423149.pdfIn PDF document text
  • http://aa-nusd.jp/rekalotisesab.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/4h53c7te0h722jc4ga7s9pa0tf/zunosifu.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d54c684b7---56038882157.pdfIn PDF document text
  • http://ch-bovi.com/upload/files/rafosu.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/wobum.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16097d008c4afc---rawisogugeseke.pdfIn PDF document text
  • http://www.hzkontejnery.cz/ckfinder/userfiles/files/67316585100.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/xopuzet.pdfIn PDF document text
  • http://apvn.info/userfiles/file/luxuwaro.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/damigi.pdfIn PDF document text
  • https://haltia.mx/sii/ckfinder/userfiles/files/xefuruxubapebowajaferegi.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/d91a0ad7a262fbe9118c7e9d7ded7081/fujenovasa.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/riwagurupumiderewidaji.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/kidotavanetasotoluwuru.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/zawomes.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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