MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The presence of a link farm on disposable hosting (http://xycrusher.com/d/files/vunawosozosogafudekeb.pdf) suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://xycrusher.com/d/files/vunawosozosogafudekeb.pdf In PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/6sjmvg49i5gafvkkjcvl7hksok/58973599513.pdfIn PDF document text
- https://landtop.com/filespath/files/20210913162539.pdfIn PDF document text
- http://www.77ice.com/upload/files/pikakexofaxa.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/laxubafetixujapuj.pdfIn PDF document text
- http://myphamvickwhitebeck.vn/luutru/files/tinovuvexogepaxakefanik.pdfIn PDF document text
- http://snailgame.ru/upload/files/20210918125847.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/zulorezejovoli.pdfIn PDF document text
- http://dominopark.pl/public/upload/ckfinder/userfiles/files/mozajupavesi.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/61205902731.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/903911789.pdfIn PDF document text
- https://wittnebel.dk/file/fufaxuvixil.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/39249851807.pdfIn PDF document text
- https://wigs4less.net/nbloom/fckuploads/file/lunajabujeletepu.pdfIn PDF document text
- http://ingatlanfelugyelet.hu/uploads/file/86017461489.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161304f189f136---zututese.pdfIn PDF document text
- https://huaienclinic.com/uploadpic/files/85688158413.pdfIn PDF document text
- http://lixtech.com.tw/ckfinder/ckfiles/files/19830815921.pdfIn PDF document text
- https://razredna-nastava.net/files/81981589401.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/nagijukujufiluxugexolom.pdfIn PDF document text
- http://hykylalumni.org/userfiles/14885943014.pdfIn PDF document text
- http://gusanhightec.com/userData/board/file/16571403148.pdfIn PDF document text
- http://eventechsite.com/files/files/52961128610.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=generate+javadoc+android+studioPDF 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_off0000e3e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E4 | 18556 bytes |
SHA-256: ffce8830eb44adf8594c1d2205075f78a11a467d5d1c9bf2ede45c24738c986a |
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font_01_sfnt_off00011440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11440 | 10652 bytes |
SHA-256: 90b371d5d436cc0a4ec3fd80b92456acfe62341ae014ad3828ea2e7f399eb52b |
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font_02_sfnt_off00012ccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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