MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains multiple URIs, one of which points to a raw IP address, and is described as a 'link farm on disposable hosting'. The heuristic 'SE_MFA_LURE' indicates the document likely attempts to harvest credentials or abuse multi-factor authentication. No scripts were extracted, but the overall structure and heuristics suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://pilot-nav.com/ckfinder/userfiles/files/73165274404.pdf In PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/36375071123.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/laduvew.pdfPDF link annotation
- http://jfhcoaching.nl/userfiles/files/zowetobulirafovozela.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///sonulepelaruguzatokeriki.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccd35ccd14---kalez.pdfIn PDF document text
- https://neksav.com/upload/ckfinder/files/86990352584.pdfIn PDF document text
- http://autoscuolauniversale.it/userfiles/files/38882687783.pdfIn PDF document text
- https://drjou-vc.com/upload/files/tirumedebejug.pdfIn PDF document text
- http://rnralpha.cz/res/file/nevomujulitu.pdfIn PDF document text
- http://rund.cz/UserFiles/File/mavogom.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/35079150429.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/89958344216.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-3/20210903052003839175.pdfIn PDF document text
- https://relaxbotanika.cz/ckfinder/userfiles/files/fikediwedoxozizo.pdfIn PDF document text
- http://nemochem.cn/upload/files/55729152083.pdfIn PDF document text
- http://vizugy.hu/uploads/files/50323602347.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///pakinukak.pdfIn PDF document text
- http://mamaskitchenorder.com/uploads/files/xanavazimakis.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/84046886844.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/xakalo.pdfIn PDF document text
- http://forma8.kz/ckfinder/userfiles/files/47770556788.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/zazapapogasifinaxixosifo.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/gojokajixugisekuli.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+hard+reset+tabletPDF 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_off0000d796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD796 | 18448 bytes |
SHA-256: fb033f01319791ab109072e801d1dd11ea1739b2b16cd19b34d9975c4037db56 |
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font_01_sfnt_off00010760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10760 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F77 | 10368 bytes |
SHA-256: ff3d8771d75c768df01828028dc3ce7c6767347f2fd5be8c92a191b4f71f12f5 |
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