MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to external PDF files hosted on disposable domains, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://crysiq.ru/uplcv?utm_term=android+7+recovery+mode PDF link annotation
- https://ahreco.com/uploads/news_file/67004574546.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/59034517574.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/57818227826.pdfIn PDF document text
- http://telegid.tv/userfiles/files/zufoxozasifujazokuvozunon.pdfIn PDF document text
- http://aviteksural.ru/admin/ckfinder/userfiles/files/jipixelafof.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/nnl2shdd9up7f31ar6gu8aorc1/38221547506.pdfIn PDF document text
- http://nilesk.com/userfiles/file/todivazimabup.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346e6d856c7---rebum.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/gisafatuxexefudow.pdfIn PDF document text
- https://livredart.com/ckfinder/userfiles/files/62131993945.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/zukuwegi.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210919233317.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/pemuzakomarotesumew.pdfIn PDF document text
- http://pc75.net/upfiles/file/1630553384.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/mejilakomumojamevi.pdfIn PDF document text
- http://maquinandoysubastando.com/dleyes/admin/fotos/file/baxotal.pdfIn PDF document text
- https://chief-moving.com/editor_upload/file/jarogegugumu.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/wixiduf.pdfIn PDF document text
- https://www.canoe.ro/Extras/ckfinder/userfiles/files/93903726994.pdfIn PDF document text
- http://rlmlaw.com/images/edit_images/file/dudugarilolefojileka.pdfIn PDF document text
- http://weiken-rc.com/upload/files/7467915811.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/90292780700.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/suzakidedikufuxuvuvebu.pdfIn PDF document text
- http://sonnenheizungen.ch/fckeditor/editor/images/file/dajikuliligutugokaw.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_off0000c0c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C7 | 10268 bytes |
SHA-256: e80798aedadf91b0ddfbd9097d4318bbf1f8a5a4ae59f555521d65a96ea6e663 |
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font_01_sfnt_off0000d7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF5 | 20392 bytes |
SHA-256: 366685f84afeb8c3da34e6d007ab36b29d7b853e0361e1b6f40dde51eef12c1c |
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