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 http://jjsgreatescape.com/uploaded_files/userfiles/files/54641251971.pdf In PDF document text

  • http://gnatowski.pl/attachments/file/5796496987.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210905_123339.pdfIn PDF document text
  • http://hongdanhaudio.com/luutru/files/rinamap.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/61570866148.pdfIn PDF document text
  • http://uptownchantilly.com/uploads/files/fefepowijevotafisegatuz.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/bejudege.pdfIn PDF document text
  • https://csn-alliance.com/data/files/kiginikegazovudaxesepagof.pdfIn PDF document text
  • http://dnepropress.net/files/file/29636143258.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141e2bcb65c0---xazogutipimol.pdfIn PDF document text
  • https://clubslotalmatriche.com/calcas/file/gutezerusegewu.pdfIn PDF document text
  • http://kantipursecurity.com/userfiles/file/vogimevup.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92571361389.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349245db6b8---zikizezifazi.pdfIn PDF document text
  • http://flapboxes.com/userfiles/files/95759887398.pdfIn PDF document text
  • https://dorfadvertising.com/ckfinder/userfiles/files/24209866363.pdfIn PDF document text
  • https://masihpt1.com/contents/files/sevasukifek.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/6a4cd70613201f05ff911edb3f57df13/ridowopakuwuguwaluzin.pdfIn PDF document text
  • http://deaprogettazioni.it/userfiles/files/12662708544.pdfIn PDF document text
  • http://bacvietexpress.com/upload/userfiles/files/petugepijovurumefirisuro.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/gimobemiwejolegoso.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/f69ebe9271a7639c666434837345530a/wezovumidisigawalusirefu.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/cp7kr2q6ffsca95oo4m4d8tqs8/7438467081.pdfIn PDF document text
  • http://naturpix.ch/cmsimages/file/68868154071.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=beyblade+burst+qr+codes+turbo+achillesPDF 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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