MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious and phishing-related. It contains numerous embedded URLs that point to suspicious domains, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of external URIs and the 'link farm' heuristic strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://chcial.ru/uplcv?utm_term=sworn+statement+of+assets+liabilities+and+net+worth+form+pdf PDF link annotation
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130a16d79140---12419528380.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/83153015435.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/54567275007.pdfIn PDF document text
- http://refah4ter.info/basefile/hotelrefah4terir/files/nipokijuzimoga.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/88528006227.pdfIn PDF document text
- https://coffotea.com/uploads/files/202109021830306007.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/96217659815.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613809725da1c---7111724762.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/72229111486.pdfIn PDF document text
- http://hoangduy.vn/vn/files/86864724160.pdfIn PDF document text
- http://studiofagiani.eu/userfiles/files/jaxup.pdfIn PDF document text
- https://alhurwallpaper.com/Files/files/66091431430.pdfIn PDF document text
- https://takitech.hu/userfiles/file/puratukosiva.pdfIn PDF document text
- https://hideab.se/tc/Mediagalleri/file/suvesemetabofutexaseg.pdfIn PDF document text
- https://avphunter.ro/ckfinder/userfiles/files/mijetukugogituku.pdfIn PDF document text
- http://tetrafluoro.com/upload/files/17968716097.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/77279243436.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/64762169954.pdfIn PDF document text
- http://qwerty.pl/_data/file/dozeketikaraxu.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/65313194527.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109050336241471.pdfIn PDF document text
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/31958747669.pdfIn PDF document text
- http://thegioimaychaybo.com/app/webroot/uploads/files/55338085312.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/45829581792.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_off0000e963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE963 | 11064 bytes |
SHA-256: 141f3e49857fa4b8fa9f3eb20ccf70f52be5197c841363b730e843082ae05409 |
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font_01_sfnt_off000102c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ad5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD5 | 18196 bytes |
SHA-256: 753889ae7bb9df5bfa2b9db2138312fc9534ef770a3bb3fb79b010b67f4964a9 |
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