MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a likely attempt to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://catamma.ru/uplcv?utm_term=zed+shaw+learn+python+the+hard+way+pdf PDF link annotation
- http://xinyaoqiye.com/upload_fck/file/2021-9-1/20210901102508369629.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/sonebumutomesemad.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/696a873cf607dd6e74a95f23f17c31ad/wazolipirilaxetumuxasekad.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/gisinazizefuruganus.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/5758163808.pdfIn PDF document text
- http://boschvietnam.com/files/usersfiles/files/83345073558.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/73725680708.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16134cf106dd23---lemotasulugivodinivelox.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/mogawavotivovetewama.pdfIn PDF document text
- http://topstec.com/d/files/riletiminirudofikezaxuzul.pdfIn PDF document text
- http://www.moyekolodin.com/files/figipipazimofugovosutu.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/zurogiremobibadew.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/14/marolidebawidenowixux.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/jesurexowekimivep.pdfIn PDF document text
- https://lhorizon.ca/uploadHorizon/file/givagixum.pdfIn PDF document text
- http://elliptical-trainers.ru/ckfinder/userfiles/files/kenoxiwowapagivowukase.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/37798328121.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/sunofitiwofafomilekefe.pdfIn PDF document text
- http://e-hematologica.com/users/file/gatipekuwo.pdfIn PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/venepapapuwuzopewanijira.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/wesawidovu.pdfIn PDF document text
- https://poolpoint.be/uploads/file/87158406189.pdfIn PDF document text
- http://www.smwiarus.pl/ckfinder/userfiles/files/jiduzikimoluruwidunajoz.pdfIn PDF document text
- https://miraclechuppahs.com/userfiles/file/49917763168.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_off0000dea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B9 | 18124 bytes |
SHA-256: 2759325d3549f76d4ba201016e24e814d7da4e6940de06659b14638beee73ce1 |
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font_02_sfnt_off000125b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B4 | 10664 bytes |
SHA-256: e3cd20cfcf441d046891598d79310876c5f0d32a79b230c3d3d01e04f86c5df3 |
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