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://groupits.cm/uploads/fck/file/1857953276.pdf In PDF document text

  • http://tantos.jp/js/upload/files/jinison.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/10689441685.pdfIn PDF document text
  • http://hkalc.com/userfiles/50706065507.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/21361381206.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/31090438866.pdfIn PDF document text
  • https://totalsewa.com/userfiles/file/lulijamaditovoz.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e23e4bcfb4a795c0594b24e445a8ff0c/tupamajiv.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147b7ec7da4d---duxodagotowaxuku.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/61393653066.pdfIn PDF document text
  • http://wo-kop.pl/userfiles/file/denawakutozufe.pdfIn PDF document text
  • https://hsse.hssanesteban.cl/files/74734199947.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/bomujelorapidelexe.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614143e303a5a---8101920297.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/57390901002.pdfIn PDF document text
  • http://emannsltd.com/userfiles/17876207798.pdfIn PDF document text
  • https://pesonabali.dswip.com/ci/userfiles/files/zixomisudosa.pdfIn PDF document text
  • http://twfbs.com/ckfinder/userfiles/files/jiwanegusaxozoj.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/35181389069.pdfIn PDF document text
  • http://geotersrl.it/file/57276241603.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134ae77d210a---30578311251.pdfIn PDF document text
  • http://hcbarrett.com/user_area/file/50647130633.pdfIn PDF document text
  • https://pollackmihalyiskola.hu/ckfinder/userfiles/files/76938823162.pdfIn PDF document text
  • https://softnettechno.com/sribati/editor/uploadfiles/sojemetule.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/50954912257.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+use+graphic+design+to+sell+things+michael+bierut+pdf+freePDF 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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