MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files on potentially disposable hosting, suggesting a link farm or redirection mechanism. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest this PDF is part of a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://textosolutionslinguistiques.ca/upload/editor/file/20960732738.pdf In PDF document text
- https://casaalu.com/luutru/files/96905790411.pdfIn PDF document text
- http://etenindex.nl/images/uploads/bedevukebobaniwakifubemow.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143af648b0aa---zibewemifiba.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613df48e9b1e7---negetufag.pdfIn PDF document text
- http://topmebli.com/content/xuploadimages/file/52456096659.pdfIn PDF document text
- http://schuetzenfest-hemeringen.de/ablage/userfiles/files/50116926554.pdfIn PDF document text
- http://fratellibeninca.com/images/file/towise.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210904130459.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/xowamidelimobazofavomiwew.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/tafepamowirugubibivomo.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/93503661031.pdfIn PDF document text
- http://rungrawin-itt.com/userfiles/files/75728667729.pdfIn PDF document text
- http://ramenzoni.eu/userfiles/files/xotifuvano.pdfIn PDF document text
- http://gongin.humenia.com/upload/userfiles/2021/10/files/211005122932.pdfIn PDF document text
- https://deltaguvenlik.net/userfiles/file/vezona.pdfIn PDF document text
- https://thietbigas.net/media/files/86883638632.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/95539120950.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/20713956062.pdfIn PDF document text
- https://inprovitcaribe.com/ckfinder/userfiles/files/busiveweravivejazo.pdfIn PDF document text
- https://sahodayabbsr.com/test/fckeditor/file/21243281055.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19504803257.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/xugovorowaroruf.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/zuwalubekilutudevaxirosos.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=call+of+duty+black+ops+4+classified+zombies+experiencePDF 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_off0000d7e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E4 | 11500 bytes |
SHA-256: 5ed393fa944b025b1e36d27fdc17aa0fc32fd2273b62bcf450b34b7b5b41df13 |
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font_01_sfnt_off0000f309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF309 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B1B | 17608 bytes |
SHA-256: 567374c4b5b634526d2ad9e33b89d088476769793a2398f3aab1477ad7e91d75 |
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