MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a large number of links on potentially malicious or low-reputation hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/92739921603.pdf In PDF document text
- http://cardealer-space.com/js/upload/files/wufazo.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/xuzawenogatinaleru.pdfIn PDF document text
- https://digireg.li/upload/nopabamaw.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/16285212350.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/92867947944.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/88572278201.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/duvavugusarekotez.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/tiwaxob.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613736292b0a0---5630835068.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/niguvosubo.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/9395094397.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141434fedc6b---7048989029.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210904220557.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/gatasawazaxamewe.pdfIn PDF document text
- http://planetamama.ru/files/file/gapafezoza.pdfIn PDF document text
- http://nemochem.cn/upload/files/guvovubugudi.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/poxujize.pdfIn PDF document text
- http://bolshunoff.ru/images/wysiwyg/file/kuxafixupugutovizazo.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/rovifutinuwonobumeserol.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/xasite.pdfIn PDF document text
- https://sentinels.ro/userfiles/file/85005570773.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/88685349540.pdfIn PDF document text
- http://pscemetery.com/userfiles/file/sugiti.pdfIn PDF document text
- http://ecosdaliberdade.com/ckfinder/userfiles/files/devipitetip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=new+zealand+story+revolutionPDF 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_off0000ec91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A8 | 10644 bytes |
SHA-256: fd859c29c5dec0882c076b52bdb7a3beb4e8412a21c47866dee84b7aceb5d240 |
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font_02_sfnt_off00011d40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D40 | 17224 bytes |
SHA-256: 2851b8ad1f3b0efdb010d29e40c0fce9429248308947febebda67cf3408007e1 |
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