MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable hosting, with numerous external URIs pointing to potentially malicious sites. The PDF structure and embedded URLs suggest a phishing or malware distribution attempt, likely using JavaScript to facilitate the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://chcial.ru/uplcv?utm_term=trends+in+special+education+pdf PDF link annotation
- https://protectname.xyz/whoisprivacy/userfiles/files/galusawibubu.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/gawimido.pdfIn PDF document text
- http://liveranigioielli.it/userfiles/files/97755989495.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/vumufidi.pdfIn PDF document text
- http://addisonplaza.abwingsmd.com/uploads/files/zofebebiwowuxawazewederaj.pdfIn PDF document text
- https://fotofidelity.cz/userfiles/file/98916829526.pdfIn PDF document text
- https://office-agglo-larochelle.fr/userfiles/file/69547319965.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161329fb740517---77062237900.pdfIn PDF document text
- http://skontrolsengineering.com/file_media/file_image/file/90477190924.pdfIn PDF document text
- http://stroykap.com/application/views/stroykap/userfiles/file/lozulimomenukejezulowujow.pdfIn PDF document text
- https://bi-kiesabbau.de/cmsimple/images/file/98156598463.pdfIn PDF document text
- http://sergeybazarov.ru/file/tidesagifokutakumima.pdfIn PDF document text
- https://butagallery.com/userfiles/files/64944318682.pdfIn PDF document text
- http://studioguatta.it/userfiles/files/9524369269.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/62230274818.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/78341268684.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210901231904_1970155455.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c9443b197---rimopisemunitajewulen.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/6204406074.pdfIn PDF document text
- http://pooq-design.com/app/webroot/fckfiles/file/45199354584.pdfIn PDF document text
- https://slotpt2.com/contents/files/nikojos.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/tivinawalipal.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/purubujepeludofunog.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_off0000ec20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC20 | 17360 bytes |
SHA-256: 526cba56b024f3fa5595574effbb6c16667b32eec093e4d58168d6d1636eb449 |
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font_01_sfnt_off0001192f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192F | 10676 bytes |
SHA-256: f4c7bb95f040b5dd61ad054c8e4282ce655b55027c9aaedb1d471b40639ed5f1 |
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font_02_sfnt_off000131bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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