MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable domains and are part of a link farm, suggesting a phishing or malware distribution scheme. The 'SE_CALLBACK_LURE' heuristic further supports a phishing pretext, likely aiming to trick users into visiting malicious links or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://coretry.ru/uplcv?utm_term=application+bourse+android+gratuit PDF link annotation
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16142820f37216---gifibazobiw.pdfIn PDF document text
- http://hzdsbg.cn/uploadfile/1631783618.pdfIn PDF document text
- https://didaktika.drmix.cz/uploads/files/25686002068.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/55080254589.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ddae2b749---jodogofirus.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/45134264926.pdfIn PDF document text
- http://villacappuccina.com/userfiles/files/80256076919.pdfIn PDF document text
- http://chikatere.com/Upload/files/nuwudufaziz.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/37193437299.pdfIn PDF document text
- https://needletherapy.eu/upload/file/39031980643.pdfIn PDF document text
- http://techscreening.com/userfiles/files/80336332426.pdfIn PDF document text
- http://phuvuongcorp.com/luutru/files/31462548744.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/gixegezebapomowedavabode.pdfIn PDF document text
- https://service-panev.com/userfiles/27107884796.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/figesozozuwam.pdfIn PDF document text
- http://cdio.vn/uploads/userfiles/file/gipada.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133ddb8513f7---6187430577.pdfIn PDF document text
- http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/25583602708.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/nelixojugubat.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/86557220956.pdfIn PDF document text
- http://yongchengtech.com/uploads/files/202109071425104589.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/75776062370.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/lojuzat.pdfIn PDF document text
- 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_off0000d887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD887 | 18328 bytes |
SHA-256: 89e0b294608b77a16bb9e8f8ffc9270cc10345e5bbc9f90b7a6479dfa4709cb1 |
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font_01_sfnt_off0001081e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12035 | 10912 bytes |
SHA-256: c06eb4945d232b1689437e46f1bfd916c14d12b788ff7dfb5998003d395e3c57 |
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