MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, suggesting it functions as a downloader or phishing lure. The PDF structure and embedded content, though heavily obfuscated, are consistent with attempts to redirect users to potentially harmful destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://castilloexterior.es/ckfinder/userfiles/files/retugagoragipaxanop.pdf In PDF document text
- https://classoft.ro/userfiles/file/supapefoxivoxigoduzul.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/sibexizeb.pdfIn PDF document text
- https://bahceneryaman.net/public/content-images/files/vaxamolikusoz.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/7b7f88c42b3807fef2b19deee78278ff/53738312257.pdfIn PDF document text
- https://sopkambing.com/contents/files/89216531928.pdfIn PDF document text
- http://duplisite.com/userfiles/file/nebavavumekomuz.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/xujafikijojimola.pdfIn PDF document text
- https://cplastik.com/data/cms/file/57996903072.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/65821381007.pdfIn PDF document text
- http://hifitness.hu/userfiles/file/94013108149.pdfIn PDF document text
- http://arc-en-cielproduce.com/ckfinder/userfiles/files/pudajugebota.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/jisexas.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/65859926405.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/kedop.pdfIn PDF document text
- http://veoguidecostarica.com/ci/userfiles/files/xilukat.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/disulinamoxitenixamum.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/zadapavosaxav.pdfIn PDF document text
- https://vongtaytramhuong.vn/upload/files/23984221865.pdfIn PDF document text
- http://letnipohar.cz/upload/file/98374878573.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/jasanezazewobawer.pdfIn PDF document text
- http://kedehg.com/ckfinder/userfiles/files/mufilosuxe.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/ridap.pdfIn PDF document text
- http://jamxmpharmatech.com/upload/files/jamimemoj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/4dZi1sgP-vI/uplcv?utm_term=swim+with+the+sharks+without+being+eaten+alive+pdfPDF 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_off0000d6d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D1 | 19724 bytes |
SHA-256: f0d15f9f7a8126bfe6c491deab558a2280a12d8fd6962d4b775c4c5f7d137a91 |
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font_01_sfnt_off00010952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12169 | 11504 bytes |
SHA-256: b1d6c2c6167151d59e86949b65e4926161dbfea83e9e4095f42aecfaeca79fff |
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