MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal Application Data
T1056.004 Web Browser
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating a phishing or credential harvesting attempt. The heuristics specifically identify it as an MFA or one-time-code harvesting lure, suggesting it aims to steal session tokens or abuse multi-factor authentication. The embedded URLs, while many are benign or unknown, point to a potential distribution network for such lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/1018341978.pdf In PDF document text
- https://agriplan-rs.com/dados/ckfinder/files/zuzumobajatunepew.pdfIn PDF document text
- https://tlproduct.com/userfiles/file/mugiwovufadazexofitife.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/bopapuseg.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021090222320432.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109101609405340.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210912075651.pdfIn PDF document text
- http://engineersclasses4competition.com/files/others/1268628999.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/vufokirulofad.pdfIn PDF document text
- https://adverto.ee/userfiles/file/pigogivusovuso.pdfIn PDF document text
- http://f1-rennsimulatoren.de/userfiles/file/jogow.pdfIn PDF document text
- https://olterus.org/contents/files/37085220411.pdfIn PDF document text
- https://matratva.in/userfiles/file/kosajimenuverepap.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/zasosug.pdfIn PDF document text
- https://maritime-models.com/userfiles/file/piperopupo.pdfIn PDF document text
- http://mestan.by/images/file/rotitixikisopabu.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/tijubilodufipizefen.pdfIn PDF document text
- http://xibuhuanyu.com/filespath/files/20210903095637.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6dae789f7---kefinowubuje.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/2365263291.pdfIn PDF document text
- https://kimcert.com/E/file/nulinuvu.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/xixedogofotonafatiputuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=office+365+qr+code+sign+inPDF 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_off0000cf6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE780 | 18372 bytes |
SHA-256: ffd42c26e945d9d8dc3d32bb2425d143d835e4a63b58ee8d39df7c6adfb4b575 |
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font_02_sfnt_off0001175f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1175F | 10988 bytes |
SHA-256: c6f49b9655b929ea497405f7650f22fecdb7d372d7ae1465d9bbcda4632d3871 |
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