MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal Application Data
The file was detected as a phishing lure by multiple heuristics, including ML classification and a specific rule for MFA/one-time-code harvesting. The presence of numerous embedded URLs, many pointing to PDF files on various domains, suggests a link farm designed to distribute malicious content or redirect users to phishing pages. The ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 6
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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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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 http://amghanoi.com/images/ckeditor/files/nudonuzomibokaluf.pdf In PDF document text
- http://www.addvanceo.info/userfiles/files/89687568674.pdfIn PDF document text
- http://sivam.pl/files/file/38604115780.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/9458362982.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/xapelati.pdfIn PDF document text
- http://fw-simple.com/uploads/files/81529562030.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/df89t98j0dhibhmolsqfk9dv3g/37540055098.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/68963638910.pdfIn PDF document text
- https://sanaspinler.net/calisma2/files/uploads/neguxesow.pdfIn PDF document text
- https://greenboo.vn/uploads/files/sonuxaworafo.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/vulizevevuwot.pdfIn PDF document text
- https://aymexco.ro/ckfinder/userfiles/files/vulapowo.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134bcf82c4cb---nirixokagelu.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/78404016526.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/4421596237.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109090857142823.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/55305965921.pdfIn PDF document text
- http://zatoodesign.com/userfiles/files/54400230031.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/tixafizuv.pdfIn PDF document text
- https://abcoegypt.com/userfiles/files/baruzasitajaruxotu.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/41959047810.pdfIn PDF document text
- https://berbagiangka.com/contents/files/68455076297.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/bomapiwomokizusokerivek.pdfIn PDF document text
- http://ceraunavoltapizzeria.it/userfiles/files/vupuxuretesumipabuw.pdfIn PDF document text
- http://www.badischer-kunstverein.de/ckfinder/userfiles/files/85056962577.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=doulci+activator+onlinePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E9 | 10224 bytes |
SHA-256: b13a79f003c2d1356608137e0366e22adfbbf3ac6132518f79d48485ebb9ac05 |
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font_01_sfnt_off0000edfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFA | 18156 bytes |
SHA-256: 4ee54d9ad0a529b0316d52649f709e56272e2781333808a82f8b0a6c8b94c4a8 |
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font_02_sfnt_off00011d2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2B | 17364 bytes |
SHA-256: f14652c500255db6a806989c64beb923dbc66d6206de71cc48a07708cdacd561 |
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font_03_sfnt_off000136f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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