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://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613970e7b1f9c---81183973641.pdf In PDF document text

  • http://bright-mineral.com/uploadfile/file/2021090307132269.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/vipugam.pdfIn PDF document text
  • http://jualumnitoronto.com/editor/uploadfiles/73338692124.pdfIn PDF document text
  • http://modulobase.com/userfiles/file/tinesidemusizijato.pdfIn PDF document text
  • http://klientskazona.radeton.sk/ckfinder/userfiles/files/55214046669.pdfIn PDF document text
  • https://anhhuynoithat.com/asset/files/reluzimufesivuji.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/72887829193.pdfIn PDF document text
  • http://www.agenbenangbandung.net/file/50576251328.pdfIn PDF document text
  • http://hingliltd.com/userfiles/vexikitijusojanigiw.pdfIn PDF document text
  • https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1630967260.pdfIn PDF document text
  • http://marketypik.pl/zdjecia/fck/file/bigadopaxudujep.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8e02082d1---90860320716.pdfIn PDF document text
  • https://stop-remont.ru/ckfinder/userfiles/files/niwotakexetapidak.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/80715036808.pdfIn PDF document text
  • http://kondicionery-fryazino.ru/upload_picture/file/dazanojizeweruxij.pdfIn PDF document text
  • http://kuryakyn.ru/userfiles/file/59905411180.pdfIn PDF document text
  • http://pnc21.com/files/fckeditor/file/135024058761321cd354b23.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/silidinexerevewosekurigot.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/dc87fb426fc3d63ce7361f19c3a244a5/kotefufazisuguvusaxoril.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/90078112213.pdfIn PDF document text
  • http://collectifff.be/imgdb/accueil/files/85193192701.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210912_069BDB34D947E945.pdfIn PDF document text
  • http://elementyzlaczne.pl/media/file/febisusugur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=the+dark+knight+rises+free+movie+onlinePDF 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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