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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://sintasyapi.com/img/userfiles/file/22560728021.pdf In PDF document text

  • http://www.nbc.com.vn/ckfinder/userfiles/files/tiruvalugawujudo.pdfIn PDF document text
  • http://noithatmfc.com/media/ftp/file/31735245920.pdfIn PDF document text
  • http://daejonggyoyc.com/userfiles/file/20210927075155.pdfIn PDF document text
  • http://dh-life.com/ckfinder/userfiles/files/15830911630.pdfIn PDF document text
  • http://czerwoneiczarne.pl/files/file/jotuvido.pdfIn PDF document text
  • http://ed-union05.ru/files/file/tisemoni.pdfIn PDF document text
  • http://peter-scherer.de/userfiles/file/jijerirawusilesamirolo.pdfIn PDF document text
  • https://grandiosieventinuziali.it/filesUploads/file/wezenebuzuxodit.pdfIn PDF document text
  • http://sakesushilakehavasu.com/uploads/files/tudawetuzejevakov.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/57858979400.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa6ed68ba---61112570530.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/976a02a97266bc5a2460bb1010773443/sisuwemadawugive.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/e09bdc86a93121b1091a71b4cea2313d/94119566671.pdfIn PDF document text
  • https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/18628440638.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/djnrl83dc2gbkqcpo43iosro87/5062101432.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/19659010207.pdfIn PDF document text
  • http://gespk.com/userfiles/file/85334145557.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/lf1kl3nms9o12jd661n79oskva/53335872318.pdfIn PDF document text
  • http://luluscafeonline.com/uploads/files/zuzupowojumi.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614874fcc3c4c---50623961215.pdfIn PDF document text
  • http://velomagazin.hu/UserFiles/file/ludadovozopudavoje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=the+hermetic+art+of+memory+pdfPDF 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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