MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML and ClamAV as malicious, with high confidence. The presence of embedded JavaScript and a large number of external URIs, many hosted on disposable domains, indicates a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is part of a link farm designed to obscure malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://allytemp.ru/uplcv?utm_term=3+letter+word+that+starts+with+f PDF link annotation
- https://dhesient.com/media/bedilomavolijekelosukuw.pdfIn PDF document text
- http://vertex-decor.com/userfiles/file/24667620601.pdfIn PDF document text
- http://librojuridico.com/aym_images/files/didujepe.pdfIn PDF document text
- http://greenbelt.abwingsmd.com/uploads/files/24371998485.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/70648398604.pdfIn PDF document text
- http://gpmpoolandspa.com/ckfinder/userfiles/files/64853272745.pdfIn PDF document text
- http://polishingmarblefloor.it/userfiles/files/wonidijedizemagagugize.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/rosudazawusujivakudobax.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202109/file/25938901528.pdfIn PDF document text
- https://gulf-rope.com/images/bulk_images/files/86201163729.pdfIn PDF document text
- https://bongkartuantakur.com/contents/files/kofolanavujosowu.pdfIn PDF document text
- http://studioaba.net/userfiles/files/watozibaforuguzisopezoz.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/39ecfd381823cf1adf3d1665972086f4/66403941370.pdfIn PDF document text
- http://sk-massimo.com/js/upload/files/mafifavovanasijelitijela.pdfIn PDF document text
- http://hwayinn.com/image/files/20210906_182120.pdfIn PDF document text
- http://mywayrtk.info/userfiles/file/wirored.pdfIn PDF document text
- http://www.rpv-drachten.nl/files/file/zudowugekenonopisituze.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/20646046955.pdfIn PDF document text
- http://gemwishrs.com/ckfinder/stones/files/tibufamezu.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/ponukamasiriseno.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/dafanarenigejobap.pdfIn PDF document text
- http://hasomedia.com/userfiles/file/61272675946.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a827936c7d---kiliz.pdfIn PDF document text
- http://bbhshipyard.com/userfiles/file/36184870073.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_off0000d134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD134 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e94b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94B | 10508 bytes |
SHA-256: ce28e68efc12c1150abe535ee6e64ac3a796d87dfaa260d80c5ea50a854b6049 |
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font_02_sfnt_off00010167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10167 | 17888 bytes |
SHA-256: 39e06e5a0cd74ad209606cc2fa20a947d01c7c4a524d3efa8901ef2e13099b88 |
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