MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting an attempt to direct users to malicious websites. The presence of external URIs and the ML classification strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://archism.ru/uplcv?utm_term=free+numbers+to+prank+call PDF link annotation
- http://nessium.fr/userfiles/file/pamiwenos.pdfIn PDF document text
- http://originalavto.ru/userfiles/file/mirofap.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/vofopufed.pdfIn PDF document text
- http://studiotecnicoarduini.eu/userfiles/files/7200720726.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/71867385670.pdfIn PDF document text
- http://refmexgl.com/web/uploads/assets/userfiles/file/79480650717.pdfIn PDF document text
- http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/wuwalufam.pdfIn PDF document text
- http://schokobrunnen.com/idata/35236141319.pdfIn PDF document text
- https://iword.de/userfiles/file/nunubudepevitokivuzafutin.pdfIn PDF document text
- https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/82256333900.pdfIn PDF document text
- https://aymfly.com/aym_image/files/fawefexug.pdfIn PDF document text
- https://cplastik.net/data/cms/file/sowimibujolisogoxuluk.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109280537329541.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/15732214381.pdfIn PDF document text
- http://centroolosprato.it/userfiles/files/50996082735.pdfIn PDF document text
- https://chptravel.ir/data/file/gikijojesopefilujutagebu.pdfIn PDF document text
- https://tavio.ru/files/file/jemupuguzekakokejubapif.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/geretalidibupawiruxi.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/93924594b5d5c8492d8f8b67f866f846/wukovig.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/36413381774.pdfIn PDF document text
- http://piscesappliances.com/userfiles/file/74894209283.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/71163239782.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/xejokaxulokevelufa.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_off0000d446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD446 | 18788 bytes |
SHA-256: f5001c34395f536ac6062366daf1fa0bdbd6733d019a93f60f35b7098a8ad608 |
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font_01_sfnt_off000104c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDC | 10752 bytes |
SHA-256: 1344dd9d1dbb814ff6bafab173fc81e498ca236cf6d365b0b39262c1776661ca |
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