Malicious PDF — malware analysis report

Heuristics 7

• 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 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 http://bfr-bialapodlaska.pl/userfiles/file/birimimuluf.pdf In PDF document text

  • http://alburigiott.it/userfiles/files/punowenuwura.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///kamamuremevorutus.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/aa57684cfd9f7e69b88d88a759391ba0/17738348318.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614d5882c9e93---vokoxivesolob.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/40081698515.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aed1c4f6e9---19022676251.pdfIn PDF document text
  • http://technology-mp.it/userfiles/files/gopesuxutidabiwexenex.pdfIn PDF document text
  • http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/wafobujarutu.pdfIn PDF document text
  • http://rtm-plus.com/ckfinder/userfiles/files/dimolitakerobeja.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/97671243302.pdfIn PDF document text
  • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/81964634054.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/f4624b5521f4c3b78b4f79802aee7b43/82911564392.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0961c7141---nukuwutewoxuvu.pdfIn PDF document text
  • http://no1sushinroll.com/uploads/files/67607577892.pdfIn PDF document text
  • https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/12789798057.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/81763600494.pdfIn PDF document text
  • https://xn--80aesyq.xn--p1ai/files/file/mafipeforuwadekiz.pdfIn PDF document text
  • https://ljlconst.com/admin/images/file/99109364215.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/dixeni.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/nlnebnjg6c6ac8nf3g8j79poj1/norawuvo.pdfIn PDF document text
  • https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/67242148539.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16137705cbb5a7---nusevuxifabir.pdfIn PDF document text
  • http://levne-pohary.cz/UserFiles/File/95548259227.pdfIn PDF document text
  • https://masteranalog.com/userfiles/file/lozapovimitiwevinuluxojo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=xperia+1+ii+external+monitorPDF 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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