MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, indicating a likely attempt to redirect users to malicious sites. The document body is heavily obfuscated, but the presence of external URIs and the link farm heuristic strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://pistant.ru/uplcv?utm_term=how+to+play+dat+video+file+in+android+phone PDF link annotation
- http://podarox.ru/public/files/lozaz.pdfIn PDF document text
- http://otpetye.com/images/shared/file/pefuvasasekufubedo.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/29162460eeba2b7609b31372ea2c6715/82978147003.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/vofofovewagag.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/35185498535.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/pixiforovobato.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/livujofodux.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109170453109756.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/sanefedibusesijerer.pdfIn PDF document text
- https://bosgo.mn/uploads/files/nerop.pdfIn PDF document text
- http://free-note.kr/files/fckeditor/file/1751590675614dd219e230e.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/salijomovatinad.pdfIn PDF document text
- http://ruihuitax.com/files/file/37279212744.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613219f5180c4---nabutamipufarotopijepedes.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/vazuxijoni.pdfIn PDF document text
- http://raczcsalad.hu/files/86534067225.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/23437611969.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/jubilifevisatewedivudanos.pdfIn PDF document text
- http://opusbiz.kr/data/editor/file/1496468179614bfd64dde6c.pdfIn PDF document text
- http://abwmercury.com/uploads/files/tofulafuvumola.pdfIn PDF document text
- http://www.cottagegrad.ru/files/file/86355749481.pdfIn PDF document text
- https://carpenterstouchnj.supremeroi.com/FCKeditor/file/tidedebetuto.pdfIn PDF document text
- http://stellarp.com/userfiles/files/16550860330.pdfIn PDF document text
- http://normel.org/files/upload/file/15765687851.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/79491964207.pdfIn PDF document text
- 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_off0000b8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0DD | 10684 bytes |
SHA-256: 156af4ace2560433d03f86ff102cfa3708648ef63ed48f83cb2f71d160c8696f |
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font_02_sfnt_off0000e949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE949 | 18980 bytes |
SHA-256: b7a1b38117ccc5e6ac15c9493ad959699d700867aecbb46302fbf3c20a044ca5 |
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