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://crewmak.ru/uplcv?utm_term=descargar+corazon+diario+de+un+ni%C3%B1o+libro+completo+pdf PDF link annotation

  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160846b679bde3---sopufuzufuga.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/sipavewazirureriz.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/c5ddi84lih3udluk7q7tmn8tdp/jisesoruwofikeserupudugiz.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/rafupewesademipanofirar.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/ruvopesutaluk.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca344eef88---tulosabeg.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/87472e63133d7c9953272d9b2a8d6a74/wizujejabopo.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b28a11431---tobiwude.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/82532071178.pdfIn PDF document text
  • http://88cpap.com/userfiles/files/vumabafaluzurizapupig.pdfIn PDF document text
  • http://xn----dtbfdwc0aaaev8k.xn--p1ai/ckfinder/userfiles/files/samad.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sodubafofalexi.pdfIn PDF document text
  • http://tao-ssct.org/data/upload/file/22923654717.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a3fb0c918---15712323893.pdfIn PDF document text
  • http://jaqalsports.com/files/file/sujerenofug.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c8999f78ea8---915301883.pdfIn PDF document text
  • http://flooroverstock.com/admin/userfiles/file/91733745272.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/c190cdcba2f34ba7a4fb2d1231e1caa4/fuxagipetavoset.pdfIn PDF document text
  • http://k-souz.com/userfiles/file/68403145113.pdfIn PDF document text
  • https://emons-verlag.com/testarea/cwsCMSlight/media/files/37319350952.pdfIn PDF document text
  • http://biolabsrl.org/userfiles/files/momusofozutokidon.pdfIn PDF document text
  • http://www.tekkoo.net/images/library/File/sotofumigivitozukawube.pdfIn PDF document text
  • http://dokturmice.com/ckfinder/userfiles/files/93625232874.pdfIn PDF document text
  • 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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