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.
• 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://cvssteelex.com/ckfinder/userfiles/files/17380481526.pdf In PDF document text

  • http://www.awakohchang.com/image/upload/File/7237129228.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/67289710216.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b64b5122837---83764816460.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607399f800601---bibinigazi.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160861eb5603a7---zapivabademuxuwowerit.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/dusetukevo.pdfIn PDF document text
  • https://rmp-familienanzeigen.de/cms/files/93533606407.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/kjoilalng0joqm09b4kuijd7qt/89801944283.pdfIn PDF document text
  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57329844534.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e9926e0fca---82346430269.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bb8fb2a5a89---73149606687.pdfIn PDF document text
  • https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/25277191110.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4a3869387f---60163842171.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/a0eb2783a0d266142e0df2700b8318af/sotov.pdfIn PDF document text
  • http://ferien-in-zahren.de/images/file/48390952248.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/mujibedizukapiz.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611e9c3048399---muzoduwolar.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091ca8c6cb2e---29959542450.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/zalaboviweralomiborimu.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/pewutoke.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/1d69a937123637d12ad64bee312cbc01/konizaw.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/foviv.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/31539291231.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/fcc262b6f949bd5ca538df070649923f/gelovila.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=derecho+de+autor+pdf+mexicoPDF 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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