MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The PDF contains numerous embedded URLs that point to disposable hosting and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The presence of external URIs and the link farm heuristic strongly suggest the document's primary purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://oniceh.ru/uplcv?utm_term=online+excel+to+pdf+file+converter PDF link annotation
- http://minhledtran.com/luutru/files/41260307474.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/wuvefelefope.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/mimunanu.pdfIn PDF document text
- http://comitatoamiantovelodromo.org/userfiles/file/jadigebumuw.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/28131321811.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/45652711629.pdfIn PDF document text
- http://lindseyderence.com/userfiles/files/21504077322.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/65797119964.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/33172579296.pdfIn PDF document text
- http://phatnang.com/media/ftp/file/viluxawipo.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/14e957c9b208b1164175c20e64d44626/muwevelarobefunenafaw.pdfIn PDF document text
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/15096868576.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364e468a285---wedolaniwazilopexometinig.pdfIn PDF document text
- http://atol-res.pl/uploads/file/42641194703.pdfIn PDF document text
- http://halaljones.com/uploads/files/gujakabuxubadu.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/34848994595.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/tepasivegowalevoboxu.pdfIn PDF document text
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/87157685258.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/73087570263.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/kitipederijebuxowozagamag.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/67712910021.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/zojubazaxoj.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_off0000b10c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB10C | 10476 bytes |
SHA-256: e89c023f5c02f593414a3663c1b33ec17c57e18c03dba44d9122e2ef956d11a5 |
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font_01_sfnt_off0000c8fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e10f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE10F | 16076 bytes |
SHA-256: 118b689ede2dd5e43a72b71565bbfcafa2bfce8ddde8c60d6a39c0341dae11c4 |
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