MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF file was flagged by multiple heuristics as malicious, including a specific ML classifier and ClamAV detection for phishing. The 'SE_MFA_LURE' heuristic strongly indicates that the document's purpose is to harvest credentials or session tokens by mimicking an MFA or one-time code prompt. While no scripts were extracted, the PDF structure and embedded URLs suggest a phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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://uchid.com/uploads/file/tafijevosekuxuwivob.pdf In PDF document text
- http://fireprovietnam.net/luutru/files/63817559069.pdfIn PDF document text
- http://strelnicebudejovice.cz/userfiles/file/18711508941.pdfIn PDF document text
- https://tarsiman.ee/files/file/kovibuwa.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/87263537982.pdfIn PDF document text
- http://studioaba.net/userfiles/files/zudadokebivagajamez.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/gavajufatexefakimadin.pdfIn PDF document text
- http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/41781317149.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/3719941963.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/zavagaxebopiwejega.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/gafifikoxen.pdfIn PDF document text
- http://predit.ru/admin/ckfinder/userfiles/files/75660215573.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/jixuxitedodawozuwu.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/161384e6c8ca89---jesunamewuremisutogu.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/tanuv.pdfIn PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/filelibejotibo.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/malurab.pdfIn PDF document text
- http://ohmytour.kr/FileData/ckfinder/files/20210906_AFB6AAC7EF9FD398.pdfIn PDF document text
- http://kaymccarthy.com/immagini/file/xaxakoxakero.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/2f58edbaf55e8bb9f9dfa2934cd0ec07/91309518757.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/juwowawujex.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210908011047.pdfIn PDF document text
- http://ljsmelt.com/upload/files/57849821071.pdfIn PDF document text
- http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/jaxufubugisutefenodo.pdfIn PDF document text
- http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/21788369908.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/difuwozateli.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=pokemon+fire+red+x+and+y+cheats+rare+candyPDF 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_off0000fa8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA8F | 17676 bytes |
SHA-256: 0f53d883d1334675f00933052902c0d685781b78ef64fc36819940fce17981df |
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font_01_sfnt_off00012866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12866 | 11004 bytes |
SHA-256: 0780f8ae0d2a963a75d730b765f19c9f43513f3e337a4f161aebcd0791609ede |
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font_02_sfnt_off000141dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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