MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as a phishing trojan and flagged by an ML classifier. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for a large number of links, further supporting a malicious intent to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16133bf21cdfa4---37935033052.pdf In PDF document text
- http://jlm-kg.com/uploads/file/50272458288.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/5359071582.pdfIn PDF document text
- http://sbairs.com/datas/files/56987198246.pdfIn PDF document text
- https://movimientofamiliadejesus.com/images/uploaded/file/kubesutibufogiremajabe.pdfIn PDF document text
- http://zensushidanapoint.com/uploads/files/15798110467.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/lokigober.pdfIn PDF document text
- http://www.dereformasenalicante.com/archivos/files/fotixugusomalas.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/84757802379.pdfIn PDF document text
- https://stehovani-ostrava.cz/static_pages_files/file/85237337127.pdfIn PDF document text
- http://flairpens.ru/uploads/file/penawivod.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/jiximopopeda.pdfIn PDF document text
- http://austral-immo.com/userfiles/files/gunipasosiref.pdfIn PDF document text
- https://fgcrubochi.com.ng/ckfinder/userfiles/files/14875559245.pdfIn PDF document text
- http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/57557588885.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/ad94374ba983dd053145eba8faed1dcb/91261506386.pdfIn PDF document text
- https://ans5680.preneed91.com/upload/files/69002078032.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/xawekixezemilitelugowefib.pdfIn PDF document text
- https://atputasbaze.lv/images/userfiles/files/biwanada.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/54017799482.pdfIn PDF document text
- https://uangraja.com/contents/files/livutapolofo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=descargar+zelda+a+link+to+the+past+gba+espa%C3%B1ol+para+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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ac3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC451 | 15052 bytes |
SHA-256: b73ad6b4b4e0e52e81dd567cca60174940507e9d192953e1532172a6e856c554 |
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font_02_sfnt_off0000ea00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA00 | 11292 bytes |
SHA-256: 80a6f24a2f65ec5ff2faa9ff2272b65e11d32564ff9966f2eabed764216e0ffa |
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