MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically flags this behavior, indicating a phishing or malware distribution attempt. The presence of external URIs suggests the document's primary function is to lead the user to a malicious external resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://philabc.ru/uplcv?utm_term=top+chipset+smartphone PDF link annotation
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/19724916163.pdfIn PDF document text
- http://officegate.biz/admin/fck_upload/file/muriwipewavoxoxinijixo.pdfIn PDF document text
- https://inprovitperu.com/ckfinder/userfiles/files/zuximatevesixaba.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/gifuseg.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161307a0d56a0e---gebegoxalano.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98518773445.pdfIn PDF document text
- https://fivetc.net/uploads/files/34416561034.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/bewevirenexozapuxux.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/kedawur.pdfIn PDF document text
- http://master-vin.ru/files/file/nijobugowojiri.pdfIn PDF document text
- https://priscar.com/documents/files/jejovajenaviwixen.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210911141939.pdfIn PDF document text
- http://vasekurzy.cz/userfiles/file/5047143937.pdfIn PDF document text
- http://nanoservice.cz/upload/file/kojojife.pdfIn PDF document text
- http://ossokahve.com/upload/file/semejolezuxirugofuki.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/60733044147.pdfIn PDF document text
- https://siriusdynamics.com/assets/uploads/files/82026474441.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/gizozakofazorimijinod.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/fopel.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132038dcccd8---mavakegijogasitik.pdfIn PDF document text
- http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/9570505640.pdfIn PDF document text
- https://larioenergy.net/uploads/file/83216723389.pdfIn PDF document text
- http://nhungbaithuocnam.com/img-tvdl/files/19518554967.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_off0000b7de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DE | 16600 bytes |
SHA-256: 2d188d547d1096521ff54e092174db965c99fa0e56281c5b6c17987e9180d4ef |
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font_01_sfnt_off0000e2e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fafc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAFC | 10556 bytes |
SHA-256: 623a53c1b7184249ae4bf4bebd3617232910c9803611e5a5fe2bf0f197cff6a5 |
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