MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to disposable domains, and is flagged by ML classifiers and ClamAV as malicious. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm designed to obscure the true destination, and the ML_NYX_PDF_MALICIOUS score is very high. While no scripts were explicitly extracted, the nature of the link farm suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://suruburi.net/mm/file/93085300992.pdf In PDF document text
- https://printsolutions.printsolutions.bg/uploads/wysiwyg/files/rilig.pdfIn PDF document text
- http://cokhihoaiduc.com/uploads/files/35915774035.pdfIn PDF document text
- http://poorclarescork.ie/images/wawapuzenikasarojesenir.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/farix.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/vodugeler.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/62896322721.pdfIn PDF document text
- http://bakoca.hu/files/file/57602591421.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/pekane.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/babiwiwemixajasejujibuvuv.pdfIn PDF document text
- https://yukkumpulgroup2.com/contents/files/47292402234.pdfIn PDF document text
- http://expnavi.com/sites/all/sites/default/files/file/mukazuxibudanovinek.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210908_221617_165.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/85512031011.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210903043245.pdfIn PDF document text
- http://pmke.cz/pictures/files/basuxabipofajex.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/8908702403.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/8bad93769bd4b15a8f36e4e338032a74/76643927593.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210912_122605.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/vegoja.pdfIn PDF document text
- https://agmatbaa.com/upload/files/tanaloxon.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/7742739714.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba7b6f3739---32594760753.pdfIn PDF document text
- http://mobilenmr.com/files/files/nobejurixemubugajawo.pdfIn PDF document text
- http://nakakinpump.kr/fckeditor/upload/file/79540574216.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=what+android+can+do+that+iphone+can+tPDF 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_off0000bb67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB67 | 10392 bytes |
SHA-256: 0d673da92f6a92b25cf4f57d060033119c924de2eb45cbe75d579caeb673ebe3 |
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font_01_sfnt_off0000d2da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eaec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAEC | 16452 bytes |
SHA-256: 3042b9ee50d5a4e6133f68f1980fd0a561fd12e1fe9df99277480adbc1235f79 |
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