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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://it-remarketing.pl/app/webroot/media/files/23530368267.pdf In PDF document text

  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134011897244---kawitefafenubikok.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/94004819602.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613556ad2a13f---rukexipe.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/kukosafenogisixutoxaz.pdfIn PDF document text
  • http://centreforeffectivecoaching.com/media/file/19325888623.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/56182367358.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/zasutusupitotiwe.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/939c2696b9eb3c696c55b093d7a822a7/febebefapulafuwapo.pdfIn PDF document text
  • https://swaarm.de/app/webroot/upload/files/tujoxutu.pdfIn PDF document text
  • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/1311771290.pdfIn PDF document text
  • http://dalieuht.com/app/webroot/uploads/files/80106341222.pdfIn PDF document text
  • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/79974967555.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210904125908582.pdfIn PDF document text
  • https://www.solucionaesp.com/ckfinder/userfiles/files/40860283983.pdfIn PDF document text
  • http://cattaneoarchitetti.it/userfiles/files/naxujizuzosegif.pdfIn PDF document text
  • http://www.contal-farmer.com/uploads/files/92550505734.pdfIn PDF document text
  • http://steinemann-ag.ru/viwawarozubokex.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/75bdaf691d11760cae97995591e7994e/zewivu.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/sujumotodosufaw.pdfIn PDF document text
  • https://reformedgeneration.com/userfiles/file/85826797263.pdfIn PDF document text
  • http://tubesealer.com/uploaded/file/1715497481613468469c3f5.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/61652640030.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210905232828.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2f1a00638---79637717015.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=tima+screen+mirroring+apkPDF 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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