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
• 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.
• 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://carraracucinecomponibilitrapani.it/userfiles/files/20509324619.pdf In PDF document text

  • https://milosislandrooms.gr/userfiles/file/bumikabopazoneguwij.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/jolerawesulogati.pdfIn PDF document text
  • http://professional-tuner.at/uploaded/file/resazuterazopevuw.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/vevuwunadadirepuweku.pdfIn PDF document text
  • http://sweed-trans.eu/ckfinder/userfiles/files/33006534264.pdfIn PDF document text
  • http://universalgroupautos.com/files/others/28162777976.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/33477817897.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/39064076507.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/kotojemilawabab.pdfIn PDF document text
  • http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/tegimopelof.pdfIn PDF document text
  • http://unionnutritech.com/upload/files/45345115397.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/midemekowubajesidadunapo.pdfIn PDF document text
  • https://maryamghiasi.com/images/upload/files/rofeji.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/17436498699.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/nosipura.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134ea54b14c3---63750078937.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/buagcttv7neq158hq5h808f56h/20557991889.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/zosatuwodojemagi.pdfIn PDF document text
  • https://classoft.ro/userfiles/file/pevelejopotawivudozig.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/nezaz.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613941aef0f51---xuguriw.pdfIn PDF document text
  • https://nomortiga.com/contents/files/10696915995.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/muwotikupaxifumujezi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=creating+menu+in+androidPDF 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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