MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document 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 is identified as a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure malicious destinations. No scripts were extracted, but the overall structure and URL distribution suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://koddous.com/userfiles/file/bifutevarij.pdf In PDF document text
- http://warmistore.com/userfiles/file/gomegodebibegipa.pdfIn PDF document text
- http://debnine.net/UserFiles/File/93171469207.pdfIn PDF document text
- https://ibliberia.com/ckfinder/userfiles/files/fafem.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/rirorip.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/4061430383.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/38327610128.pdfIn PDF document text
- http://chiengthai.com/file_media/file_image/file/balunuloze.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/31686731992.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410db721628---pepujifikof.pdfIn PDF document text
- https://istanajpdua.com/contents/files/68945450163.pdfIn PDF document text
- http://dongphat.net/upload/files/73950516900.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/79911653087.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/34771631925.pdfIn PDF document text
- https://aqua2go.pl/galeria/file/saxoduvovetuxulibazexav.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210912_6501D456C6AF39DE.pdfIn PDF document text
- http://architettoannalisatinelli.it/userfiles/files/77342214195.pdfIn PDF document text
- http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/zobovigexarinukevumitogeb.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/mmignseuikkfsp3jptf46jb3l1/gezoxujopifil.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/juxovuluzawebojepit.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1613167a5c667b---dinegepabomeluzivev.pdfIn PDF document text
- https://artbynela.com/uploads/file/81088387362.pdfIn PDF document text
- https://rh4-h1tapi-turbo.com/contents/files/58966222839.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+import+contacts+from+windows+phone+to+androidPDF link annotation
- http://perfecturology.cafe24.com/upload/editor/imagefile/79610694214.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_off0000d081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD081 | 17836 bytes |
SHA-256: 047b3b1f724a61c4abc6c12a09d2d8fa7b596852c01d8e24b645bedc1069a0b0 |
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font_01_sfnt_off0000fefe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11715 | 10916 bytes |
SHA-256: 999c6d4f8e67cf8ea9d8fb74a9ef49ccdf2832d82f0c09ce53891f7550321d0b |
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