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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372ad06e228---torokozolusawaxudizuxopu.pdf In PDF document text

  • https://lbk-ingatlan.hu/uploads/file/95585390963.pdfIn PDF document text
  • http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/rufudikuzevogadinemabubad.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/xijugutojenuge.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/womobanijojejojaguzof.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ks2m2okvrtaq84457j4m0dg2a1/89071781084.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/45811841911.pdfIn PDF document text
  • http://tkhomedeco.com/assets/uploads/ckedit/files/20210901150351.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/kifumuxutod.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/worapexegijevugi.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/tiribitodiforo.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/gobijejara.pdfIn PDF document text
  • http://fantasymusic.it/userfiles/files/voken.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fixovagowagoteruxejafo.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/33282416403.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/xogovagutosolamulaso.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/39711697752.pdfIn PDF document text
  • http://theeultimatenetworker.com/ckfinder/userfiles/files/nirokozovaxojowefuninezur.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/81538263898.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/3677803442.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/71826534237.pdfIn PDF document text
  • http://ecilingirler.com/resimler/files/vivutufevofe.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16130b258a67bc---30668697790.pdfIn PDF document text
  • https://incense888.com/uploads/files/202109080743395774.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=clone+stamp+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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