MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The PDF contains numerous links, many pointing to disposable domains, suggesting it functions as a link farm or phishing lure. The primary IOC is the external URI pointing to a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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://jacksth.ru/123?utm_term=faded+copy+of+riptide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367919/normal_600bffd2a5446.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413240/normal_5ffd758fde7a7.pdfIn PDF document text
- https://tusagenitig.weebly.com/uploads/1/3/1/4/131452801/jodogukon.pdfIn PDF document text
- https://bijazebis.weebly.com/uploads/1/3/1/3/131382141/fuvomigiwiz_venufiwutem.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380088/normal_5ff1d2161429e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368989/normal_5fc5837f3e250.pdfIn PDF document text
- http://xujukega.66ghz.com/divefobanom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407793/normal_5fd2271a1ce25.pdfIn PDF document text
- https://waragorejitise.weebly.com/uploads/1/3/0/8/130813548/fuvesi_suxegerinabotuk_mijiboku.pdfIn PDF document text
- https://nelemiken.weebly.com/uploads/1/3/4/7/134704654/xupamizagixi_nupuva_falemibug_wiboviw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bokakemipik.epizy.com/cbt_full_form_in_fssai_exam.pdfIn PDF document text
- http://lokimutopilar.epizy.com/55889737805.pdfIn PDF document text
- http://dujisuga.epizy.com/bot_binary_android_gratis.pdfIn PDF document text
- http://renureva.epizy.com/sawop.pdfIn PDF document text
- http://zapofekeba.rf.gd/panuger.pdfIn PDF document text
- http://nezenomawaza.epizy.com/fafofajojud.pdfIn PDF document text
- https://s3.amazonaws.com/rebomedug/4k_video_converter_free.pdfIn PDF document text
- http://favagapararo.epizy.com/vuradol.pdfIn PDF document text
- http://bumufemukelogik.epizy.com/antalyaspor_formas_2018.pdfIn PDF document text
- http://xinudigiwuwa.epizy.com/29393392848.pdfIn PDF document text
- https://s3.amazonaws.com/titugome/40740882392.pdfIn PDF document text
- https://s3.amazonaws.com/savifin/microsoft_authenticator_for_windows_10.pdfIn PDF document text
- https://s3.amazonaws.com/jagux/pokonapena.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_off0001014b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014B | 4996 bytes |
SHA-256: 4a9e6fcb2c8349cb303e8502407fabfb1c0a13c91d6ddace39e7ebf70f55fc80 |
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font_01_sfnt_off0001126a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126A | 10772 bytes |
SHA-256: cd956af4cfc770a8a517994f92501b7cfa63f7e121eacb9aa9b05e2e909fcd40 |
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font_02_sfnt_off00013753.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13753 | 16092 bytes |
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67 |
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