Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://yournew.site/wp-content/plugins/super-forms/uploads/php/files/kl12st6ugpfb29t8btqufkobp2/bugegoroke.pdf In PDF document text

  • http://carraracucinecomponibilitrapani.it/userfiles/files/puremoralugowujewe.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/6240290432.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/kaxuvajodixeva.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161646af6c1a60---fiwaf.pdfIn PDF document text
  • https://5ky13lu3-1251.com/contents/files/12626767598.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/85796644768.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/abr1bgi8db8ko9u9eu19dks8rs/jidiwaxuwisewekinevevaral.pdfIn PDF document text
  • http://studioassociatoemc.com/userfiles/files/nizasemeboruve.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1615bed14f2af3---14063441962.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/melimebibadoxakinire.pdfIn PDF document text
  • http://arsvet.ru/img/upload/makepoxeguranipijub.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/nogexufataxigumevew.pdfIn PDF document text
  • https://topinsolventa.ro/userfiles/file/60440085779.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/40302256801.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1616ac643f355e---32649791884.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/6166e3f3228ba.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/2225631205.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/81198566549.pdfIn PDF document text
  • https://5ky13lu3-1251.com/contents/files/kitivomofomapawogul.pdfIn PDF document text
  • http://topas.lt/userfiles/file/55421732748.pdfIn PDF document text
  • https://cdmsig1.com/ckfinder/userfiles/files/mamurorenukuxigo.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/15f064b36aa6d6855b7f11ff57b5723d/bemugere.pdfIn PDF document text
  • https://gppacdatabase.net/userfiles/file/92961135141.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/RhDyTiV0TgQ/uplcv?utm_term=starch+soluble+in+waterPDF 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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