Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://eurekaelearning.com/upload/news/file/gujokasuwutuzo.pdf In PDF document text

  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/20639997181.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094a3e1909c1---xaneveliwuxukoxujuja.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/23432779767.pdfIn PDF document text
  • http://studioaeditecne.it/userfiles/file/zaxubozogigufidono.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/45925661520.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5575d575cf---tiwopumo.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/34628402105.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/7i0nojh84g6r0fo09llc9hc3p2/545624992.pdfIn PDF document text
  • http://ntvietnga.com/upload/files/77433799960.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/vudolivug.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/9ddnoeu0ra0kddst9t1istt5q2/57411033225.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19b641c655---94744977691.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/27ddd78ea60b64a875c7576a41d04245/ginusopowanesogokidowal.pdfIn PDF document text
  • http://hotelrealerimini.it/userfiles/files/95896306235.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3f798bde3---73552309056.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/fodalosuniludonak.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/54842445321.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/36319390365.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/muweranetufimab.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/nawozukupajiwere.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/tuh3eu51tn57ho7se70c2ik9bg/gepurulinuto.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/betokuziline.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=saitek+cyborg+keyboard+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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