MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable domains, and exhibits characteristics of a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a deliberate attempt to obscure the true destination or distribute malicious content through a network of low-reputation sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://philabc.ru/uplcv?utm_term=como+fazer+backup+dos+apps+android PDF link annotation
- http://stonebreaker.at/25260782700.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/4862474071.pdfIn PDF document text
- http://xn--4k0b43gkwo4gn.com/upload/editor/file/zejopuwuronunizazozewan.pdfIn PDF document text
- http://computergramm.com/userfiles/file/denusatilanepob.pdfIn PDF document text
- http://interreg-ipa-husrb.com/downloads/fetukovipof.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/maxekiwugex.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/fipusesalapifudapotovi.pdfIn PDF document text
- http://www.pilatesyoga.hr/files/files/wowusamuludura.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/34796414395.pdfIn PDF document text
- http://sangtaoad.com/uploads/userfiles/file/viwunupegagapipalogu.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/32288296569.pdfIn PDF document text
- http://robedecreateur.com/img/files/rabigaresutesepazixosud.pdfIn PDF document text
- https://dorfadvertising.com/ckfinder/userfiles/files/36852297082.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135f4e4372c8---pukiwupuzexefobupagunu.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/jakudomugufe.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/70242553765.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/25737143353.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/12604042355.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/lekijalokalobom.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/siwakiredukituwisirufenu.pdfIn PDF document text
- http://askort.pl/Upload/file/beronufifudifewaj.pdfIn PDF document text
- http://tribo.kz/userfiles/File/46489966861.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/59589294800.pdfIn PDF document text
- http://ge-mak.com/files/56593656384.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/1961390608.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_off0000e294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE294 | 11060 bytes |
SHA-256: 9c2c7cd800a5c31266be4e9418a79246e182f2aa12020e6bce40de129c03073a |
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font_01_sfnt_off0000fc2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001143d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1143D | 17308 bytes |
SHA-256: dca014bc1008ffe086ff4a3aa5b86896d6c29cbc262e3ca6d4b3b6e652faabcd |
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