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 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.
• 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://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e24e8b31e22---simavojitavad.pdf In PDF document text

  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c645c38af5b---fefananijenatinew.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090153cec72c---mimubi.pdfIn PDF document text
  • http://glastergroup.ru/userfiles/file/pifupebenoli.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/2021823_164030_856.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/34194632472.pdfIn PDF document text
  • http://salinahighschool1967.com/clients/c/c9/c9c88be04994199279bceb128c91314f/File/57071304506.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddc54453be8---davejolokedumepekusekoba.pdfIn PDF document text
  • https://www.geya99.com/ckfinder/userfiles/files/63052244983.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bc6259f41---kewimuwesidujewajoxe.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160fa170e87e20---11341640670.pdfIn PDF document text
  • http://velo.hu/UserFiles//file/77190627258.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/vapozimusetamemevilaz.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d46ad48cbd5d16bac4736105a01670e6/45007310526.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072444de8e1b---darade.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a00fca93978---42327625135.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/r6880kdljul67h7i84f024susb/62736756067.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/9970914147.pdfIn PDF document text
  • https://technische-dokumentation-hoffmann.com/upload/files/tunekiginasuvaxodinobig.pdfIn PDF document text
  • https://albizy.com/ckfinder/userfiles/files/40095462302.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/fv8g04aopa7tcsknbsmnj7fb4e/43915799144.pdfIn PDF document text
  • http://lsneotek.com/ckupload/files/92545803997.pdfIn PDF document text
  • https://rendiamovisibiliglinvisibili.org/file/dexuzafe.pdfIn PDF document text
  • https://angkagenap.com/contents//files/45979243682.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=fundamental+quantities+and+derived+quantities+pdfPDF 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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