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
• 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 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://sinojjacob.com/userfiles/file/53903075963.pdf In PDF document text

  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8000152d0---47254947663.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/fegagejasukigivewikoroga.pdfIn PDF document text
  • https://nationalshield-uae.com/userfiles/files/bedur.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/23957435241.pdfIn PDF document text
  • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/notizafosekiwujowusijox.pdfIn PDF document text
  • https://highrise.pl/file/45496375295.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/gafovuliwer.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/78371363291.pdfIn PDF document text
  • https://sarenpinler.com/calisma2/files/uploads/77335435474.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6g0uq3smrpk3aa1rhcfl6n5pr2/gozumetob.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/111ceaab65cd622aea64c409b7517c41/34170057195.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/23760790906.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/zatebuwot.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614109e12389b---21702942892.pdfIn PDF document text
  • http://tupnate.com/ckfinder/userfiles/files/vefujujifarujej.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/bifilunefolugabutik.pdfIn PDF document text
  • https://kfk-dekoration.dk/images/uploadedimages/file/36107995483.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/13165699647.pdfIn PDF document text
  • https://autoskola-scp.com/files/99296736477.pdfIn PDF document text
  • https://maytinhdalat.vn/images/uploads/files/13994599755.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19311569759.pdfIn PDF document text
  • https://karlschool.org/uploads/files/202109190301474108.pdfIn PDF document text
  • http://157.230.241.115/image/upload/File/74844716003.pdfPDF link annotation
  • http://fantasymusic.it/userfiles/files/kosinutixebuwavupef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=best+root+customization+appsPDF 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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