MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The PDF contains numerous embedded URLs, many pointing to other PDF files, suggesting a link farm designed to obscure the ultimate malicious destination. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a strategy to host many files on disposable domains. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://zilalcooling.com/other_files/File/jumedozokukabajolifasot.pdf In PDF document text
- http://xn--9w3b270a7kf.kr/data/editor/file/85056581828.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/36165196888.pdfIn PDF document text
- http://dhf-china.com/d/files/46511220521.pdfIn PDF document text
- http://www.musicboxpiano.com/contentfiles/14954631939.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/12614328437.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/nuvomixuxeremifurasez.pdfIn PDF document text
- https://intekcanada.com/ckfinder/userfiles/files/vakozuwirufogawasamiwi.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/22786301181.pdfIn PDF document text
- https://terminal.hr/userfiles/file/firilatalowakom.pdfIn PDF document text
- http://ltmetal.com/userfiles/files/bamegadekurejor.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/49286460131.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/7345567c02b167d460718446c48cc5c7/vuveperajekulukosamojexex.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210909_CEC47C8F9BB08BEC.pdfIn PDF document text
- http://gleb777.com/fck_upload/file/91455580896.pdfIn PDF document text
- http://huyndaicaudien.com/upload/files/zixilekaxefubakozexolikel.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/98486916367.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/17606823386.pdfIn PDF document text
- http://terezmisszio.eu/files/file/xeloke.pdfIn PDF document text
- http://prefinancovaniehypoteky.sk/res/file/82264949860.pdfIn PDF document text
- http://nhadep30giay.com/uploads/image/files/31923173564.pdfIn PDF document text
- http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/55458660595.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613941ed6a363---gowinekodibiwidizarab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=download+gta+v+for+android+no+verificationPDF 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_off0000da5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f274.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF274 | 10636 bytes |
SHA-256: f88e4b7f372ce51f4651225ec4ebab5ce944b8224491d62815d355229751d8f2 |
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font_02_sfnt_off00010abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABE | 17016 bytes |
SHA-256: cc7443da8052e06331cf0e22d15e441c95aa0ea3ebb14191ad953f44c6ba8c78 |
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