MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms this, indicating a strategy to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://gayaarchi.com/userfiles/file/20210918134603.pdf In PDF document text
- https://zbmbudomont.pl/userfiles/file/61805151996.pdfIn PDF document text
- https://ksboutlet.com/file/files/jexironuvujavuroniwitax.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/wudagunaxasokonig.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/26821127291.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/vozuwanubosomo.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/62061771518.pdfIn PDF document text
- http://www.og2c.com/images/file/xutedowatigonedenigipo.pdfIn PDF document text
- http://bernendorf.ru/userfiles/file/fonujedivoke.pdfIn PDF document text
- http://mathcountsoutreach.org/userfiles/file/52649189688.pdfIn PDF document text
- https://chanty.dacola.com/upload/files/54459705769.pdfIn PDF document text
- http://mpu-beratung-brendle.de/userfiles/file/1727603235.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/24682008363.pdfIn PDF document text
- http://oilmachineydy.com/d/files/tuzid.pdfIn PDF document text
- http://ranch.pl/files/file/81685500049.pdfIn PDF document text
- https://spitalmoldovanoua.ro/ckfinder/userfiles/files/93185562560.pdfIn PDF document text
- https://muachungbaohiem.com/uploads/userfiles/file/nafikifem.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/kinexatu.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/xurubozefawuwobefupegu.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/62546202734.pdfIn PDF document text
- http://milkyway-vn.com/upload/files/2435565760.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed5a802751---lemefifekejizemakowiz.pdfIn PDF document text
- http://patronusalapitvany.hu/public_html/upload/82830548825.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=castle+crashers+android+downloadPDF 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_off0000b36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB36F | 18116 bytes |
SHA-256: aa04df2af5cc85f39ce6789f7dfac48f07032a3da8702ff844f357b7f5c9c7f5 |
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font_01_sfnt_off0000e18c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A3 | 10584 bytes |
SHA-256: 8f9a80d5c8d6354ecef390771952edeb291976bdfafe4f26a468ae3d9502d214 |
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