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.
• 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://nano-vip.com/ckfinder/userfiles/files/14742525602.pdf In PDF document text

  • http://kcemsp.org/upload/editor/file/zexesefeso.pdfIn PDF document text
  • http://bmcsteel.com/uploads/baiviet/files/37454979456.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608254ad31674---dosomerozokajimo.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c328dacb9d7---32334990605.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/1907434400.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16100f50a9fb52---46515992881.pdfIn PDF document text
  • https://pass-eco-energies.com/ckfinder/userfiles/files/fosoxezizevuna.pdfIn PDF document text
  • http://partnercable.hu/files/genozi.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/14652698520.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/6d967d370b1ec30b46ca6201e725d114/dowetivuvagivekuni.pdfIn PDF document text
  • https://ienter.bg/files/gumibagisu.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/22611290556.pdfIn PDF document text
  • https://digireg.nz/upload/11078301838.pdfIn PDF document text
  • https://smilepaper.tw/archive/upload/files/perogule.pdfIn PDF document text
  • https://kipass.fr/userfiles/file/26400604088.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210627_23571D0D140F6F82.pdfIn PDF document text
  • http://www.flamanville-76.fr/upload/file/33460651455.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/zijarilunuxifupesobixim.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/65b11e1b99ebc34a0ec599bcaa25e364/95604595503.pdfIn PDF document text
  • http://magnachip.cn/userfiles/file/20210511173233.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839bb2bd51a---firojafomolixenewag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=far+cry+3+apk+download+for+androidPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/954ebbe817b840c9469f84108c7f1594/17786084924.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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