MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external URLs, including one pointing to 'synerhu.ru', suggesting a phishing or credential harvesting attempt. The presence of a link farm and disposable hosting indicates an effort to obscure the true malicious destination.
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://synerhu.ru/pbw?utm_term=how+much+time+you+need+to+learn+forex+trading PDF link annotation
- https://static.s123-cdn-static.com/uploads/4387219/normal_5fcf78d12f267.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366335/normal_6055c380703b5.pdfIn PDF document text
- https://pafokosunokiv.weebly.com/uploads/1/3/4/8/134860442/nupumutufuji-lagegi.pdfIn PDF document text
- https://bepovagug.weebly.com/uploads/1/3/7/5/137500956/7999046.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4456686/normal_60069b0a57a60.pdfIn PDF document text
- https://xuvosaxefon.weebly.com/uploads/1/3/4/6/134605895/doxejajomitatab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387703/normal_602b398a57996.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471985/normal_600ef0bb182d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404976/normal_6036b26393d30.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410962/normal_605c8d67c708a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mupalunava.pbworks.com/f/hp_probook_450_g5_keyboard.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8c03f2c-fcdb-466e-8461-dd98c10be7ea/todos_los_nombres_de_dios_y_sus_significados.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71f6f1b7-3e61-4210-a6a2-e95efca65390/mizilazujikinumuf.pdfIn PDF document text
- http://liwuvedesisu.pbworks.com/f/himnario_adventista_nuevo_para_descargar_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb2fdc63-0f91-4f87-ade6-ce18f50f89a9/padi_open_water_diver_manual_german.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f18d05b-19c4-435f-8716-13ae5438a612/waterfall_bump_map_generator.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2228fdc-266e-4ffb-9eb3-84c95961efff/difference_and_repetition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/599c8ddd-ad9c-44f9-a2a1-4cbb6953aa09/nagikudikegalido.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09fc8578-8443-471e-bc42-d7b31b8961e0/83730359264.pdfIn PDF document text
- http://kalejesezuda.pbworks.com/w/file/fetch/144742641/half_life_practice_worksheet_with_answers.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFC | 5480 bytes |
SHA-256: eb5573c132c437303e757e20aa6c10fcebee4e3e8ced318bfe4bb544281bda81 |
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font_01_sfnt_off0000fe95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE95 | 10868 bytes |
SHA-256: 0f8b03c8746eb56d20f6ea179b608780aa30c5086db101832b085a0a0927ec67 |
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