MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal Application Data
The PDF was flagged by ML classifiers and ClamAV as malicious, with specific heuristics indicating it's an MFA/one-time-code harvesting lure. The document body is heavily obfuscated, but the presence of numerous embedded URLs, many pointing to PDF files on potentially disposable domains, suggests a phishing or credential harvesting campaign. The primary goal appears to be stealing user credentials through deceptive prompts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/80927459536.pdf In PDF document text
- https://iphastkala.com/userfiles/file/pidaj.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/51617177360.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161386e4a16385---28168505437.pdfIn PDF document text
- http://ossokahve.com/upload/file/15704842342.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109091405107599.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/tojikikirobudilegipakax.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/nuboxifer.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/pakokanotinopupinojadaluj.pdfIn PDF document text
- https://bhandarisurgical.com/ckfinder/userfiles/files/61114398057.pdfIn PDF document text
- http://universalgroupautos.com/files/others/96516045697.pdfIn PDF document text
- http://kant21.com/userData/board/file/50591174194.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109010431279051.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161369529c4c30---16321859870.pdfIn PDF document text
- http://syekp.gr/sites/default/files/file/vofigizepudov.pdfIn PDF document text
- https://domilot.com/uploader/files/97426054610.pdfIn PDF document text
- https://doctmcooper.com/userfiles/files/xesanol.pdfIn PDF document text
- http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/sisuxovidu.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/xiveguwudulaz.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/29300286182.pdfIn PDF document text
- http://ngocphuocjsc.com/public/default/ckeditor/files/pefetasuromonipof.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109111155538925.pdfIn PDF document text
- http://csc025.com/userfiles/file/20210913030831_hnojby.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=moviebox+pro+for+iosPDF 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_off0000e3d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D8 | 10240 bytes |
SHA-256: 699484583e812578d28f41e6d8c918547280a38296d2f112e1ddbac059146834 |
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font_01_sfnt_off0000fac9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC9 | 18120 bytes |
SHA-256: 25eadb7bfdf78aad4e30e3af4613ca6af9fefffc8993e6d22fa001bbdb0fb802 |
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font_02_sfnt_off00012a13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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