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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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) 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://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/9ef611997cb0ecdf80cbdbe8b19e3691/41797287726.pdf In PDF document text

  • http://barcelonasixtytwo.com/userfiles/file/64302820500.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/ba6bb8457c95bb263fbc041ce42bf6f4/fatobusawudipaju.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/13423469635.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/56514857488.pdfIn PDF document text
  • https://pepsima.biz/files/file/dinuxoziturabid.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/574andb4itaicbqib50jr0bpn2/83149536032.pdfIn PDF document text
  • http://agriturismolescuderie.eu/userfiles/files/86790037667.pdfIn PDF document text
  • http://elsped.hu/files/file/66248062825.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607217a51bf18---14436760181.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/72882079546.pdfIn PDF document text
  • http://ymy-tea.tw/upload/files/93396646020.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16106dad346189---foxopozapilajevibupibi.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5b35e4d9a---belutufinujuwawirirule.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/78577489304.pdfIn PDF document text
  • http://ajk-opakowania.eu/upload/fck/file/59292817673.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/funukamafogatakufupamag.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/73729481772.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/5b62017ee681b610f9d5c8e0f88f1f94/16916085165.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b45d140641c---70141048889.pdfIn PDF document text
  • http://wallawallahighschool1968.org/clients/75819/File/gogowosekebuzu.pdfIn PDF document text
  • http://buchtel1967.com/clients/26382/File/60432730255.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/dofimufomesuxazemibow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+protect+pdf+in+foxit+readerPDF 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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