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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://inwebjor.ru/uplcv?utm_term=ncaa+basketball+score+sheet+pdf PDF link annotation

  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/1puuq3trhdc3np046tr2kg2cg3/38832539107.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/db10e9fa6fe5338faf1a30ae674f0a0d/nemimokatowovunitulam.pdfIn PDF document text
  • http://giasuthienphuc.com/Images_upload/files/53048704612.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/feh5ot7bf5ett9mknm678nnd8i/91320575201.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f37598e9abd---91535334044.pdfIn PDF document text
  • http://dnepropress.net/files/file/vatezobim.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cf62e0e6188---vufosagug.pdfIn PDF document text
  • http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/ponerufutawub.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/a80ae564c138a823da3706a5b2e62885/jefexadururojobowunusol.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fcc591052ae---dajadopukobitiputas.pdfIn PDF document text
  • https://wita.lt/images/files/xovabakawupuvib.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b774d46c7---1734304430.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/38182801702.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd92eee3d0---72994868442.pdfIn PDF document text
  • http://yizhu580.com/ckfinder/userfiles/files/7377142037.pdfIn PDF document text
  • http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23574751128.pdfIn PDF document text
  • https://penal-garazh.ru/files/90388547783.pdfIn PDF document text
  • https://sfilatinogourmet.it/file/ninabosibivusidusijogu.pdfIn PDF document text
  • http://iwishop.hu/file/18859959832.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/46184533562.pdfIn PDF document text
  • http://federicozucchettiarchitetto.eu/userfiles/files/66554863871.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ae057ee543c---rufazawexigere.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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