MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains numerous external URIs, with a high concentration of links on disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness. While no scripts were directly extracted, the PDF structure and external links point towards a phishing attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ponafet.ru/123?utm_term=centrale+sans+light PDF link annotation
- https://cdn-cms.f-static.net/uploads/4469353/normal_601f0f203ac6c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414871/normal_6016fc25b50f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491946/normal_6020b9ea00045.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369486/normal_5fc7119e9cafd.pdfIn PDF document text
- https://betiriwusogaz.weebly.com/uploads/1/3/1/3/131380032/8f06c002.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401985/normal_5fe8517870422.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417318/normal_604a0d3ad65ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446036/normal_6007d10a38614.pdfIn PDF document text
- https://timakopazasiri.weebly.com/uploads/1/3/4/4/134445807/zofuvali-pekokemofar-kediwobipale.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369522/normal_5fe91624a65ca.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gaguseka.pbworks.com/w/file/fetch/144643644/98414020077.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ddcbc853-d2d9-47b4-8129-9b1036c6bff9/lasirelapewifesukut.pdfIn PDF document text
- http://vosebim.pbworks.com/w/file/fetch/144640596/12168924146.pdfIn PDF document text
- http://vimadutukad.pbworks.com/f/vivuwakiwojiniri.pdfIn PDF document text
- http://wuwazilizos.pbworks.com/f/xiaomi_mi_box_4_android_9.pdfIn PDF document text
- http://demopefo.pbworks.com/w/file/fetch/144602943/37377674951.pdfIn PDF document text
- http://zopujoxobug.pbworks.com/f/monosacaridos_disacaridos_y_polisacaridos_ejemplos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd4550fb-f3ad-4a61-897e-3de1fdeb6431/divine_mercy_sanctuary_stockbridge.pdfIn PDF document text
- http://gogoporiwo.pbworks.com/w/file/fetch/144464784/abbyy_finereader_crack_version.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a151c6ae-6113-4b62-a0e9-817d93c34e61/oc_warrior_cat_names.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://scripts.sil.org/OFLIn 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_off0000dab8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAB8 | 4852 bytes |
SHA-256: 6263882f28309eda1d170e3beff4929fd9dbaa637c287c4ecb897661977efee6 |
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font_01_sfnt_off0000eb27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB27 | 11144 bytes |
SHA-256: 72412af5065acdc6bb3906d12ef15916f36278dd7d4a88f0f19c1a1779cc420b |
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font_02_sfnt_off0001113d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1113D | 16084 bytes |
SHA-256: e5245523bd71a78e06ca3300da63f55ad096e28dd8c1a5e83e138be64f7d0aee |
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