MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1534 Credentials from Password Stores
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious phishing content. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to obscure the final destination. The heuristic 'SE_MFA_LURE' indicates the document's content is likely designed to harvest credentials or session tokens by mimicking multi-factor authentication prompts. No scripts were extracted, but the overall structure and heuristics point to a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tecresconsolidamentorestauro.it/fck_data/file/32493550046.pdf In PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f8745957e---pigijotuwizikebixifuzije.pdfIn PDF document text
- https://radiosmile.hu/upload/file/lopigitoriki.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/c56c8ab7e03dd7fdfe3d63f76ff5b437/30319835223.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/gebisigo.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/15261012152.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/94777327991.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/gemuzidif.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/rubelol.pdfIn PDF document text
- http://gmicropilotes.com/uploads/files/dulitamotozuwozina.pdfIn PDF document text
- http://vodnik48.ru/content/file/68577883550.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/99055410042.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/jatemavutuvesosumaxan.pdfIn PDF document text
- http://elsped.hu/files/file/6990934373.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/wowinawadafe.pdfIn PDF document text
- http://dxline.eu/userfiles/file/nebarogirepewiguj.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/34230112291.pdfIn PDF document text
- https://free-spirit-city.eu/uploads/wysiwyg/files/sowijogolowukeko.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/258659720.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/36760012106.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=ad%26d+character+sheets+pdfPDF 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_off0000fcf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF6 | 9192 bytes |
SHA-256: cec472d94eb3fdb0df358ebc6477a54accfbb063ec4a1f62a798cb8c4131dde5 |
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font_01_sfnt_off00011027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11027 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12839 | 17672 bytes |
SHA-256: 6fcb93c6c8caf32b68eecebe5ae01d5baf4f6bee97868174bf3b2d02489e4fd4 |
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