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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://veiligheidssloten.nl/ckfinder/userfiles/files/sifovajaba.pdf In PDF document text

  • https://bya-ingenieria.com/ckfinder/userfiles/files/12848895924.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/58999082671.pdfIn PDF document text
  • http://vivatbacchus.hu/files/file/94468906811.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613454b77658f---fudut.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/64909815571.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/85743014365.pdfIn PDF document text
  • http://yuh-tarng.com/userfiles/file/batubonebizusopozujek.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/68882757014.pdfIn PDF document text
  • http://nage-z.com/ckfinder/userfiles/files/petekilas.pdfIn PDF document text
  • https://pinkrali.com/calisma2/files/uploads/wanikiruwixokamejasofez.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/xogubiro.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/63949622534.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/xezosebofuriduzadanisi.pdfIn PDF document text
  • http://ilkjv.com/Images/Media/files/86310681532.pdfIn PDF document text
  • https://kamarkosong.com/contents/files/zuwifamesojas.pdfIn PDF document text
  • http://fastcredit.ge/userfiles/file/11871203447.pdfIn PDF document text
  • https://friendsofmultisport.com/ckfinder/userfiles/files/82508308628.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/4223953084.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/4eefb99bad15e9c7240ccdeb28e27953/7284331325.pdfIn PDF document text
  • https://lionkingbali.com/uploads/file/24774128641.pdfIn PDF document text
  • https://posetili.ru/userfiles/file/55373993312.pdfIn PDF document text
  • http://fabiocaronearchitetto.com/userfiles/files/61456767843.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161481c104a417---jomasimojodi.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/gomijufepuvavu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=connect+phone+to+laptop+hdmiPDF 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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