MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URIs, with a primary suspicious URL being https://synerhu.ru/pbw?utm_term=formula+related+to+cuboid. The PDF structure and embedded content suggest it is part of a link farm designed to redirect users to potentially malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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=formula+related+to+cuboid PDF link annotation
- https://zebovusovekudi.weebly.com/uploads/1/3/4/7/134711175/2830021.pdfIn PDF document text
- https://sifovepemu.weebly.com/uploads/1/3/4/3/134373157/kelugijeze_mukul.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418368/normal_5fe1877e74b8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423752/normal_60488c80534b1.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4465565/normal_60b66dffd733d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424024/normal_6027cb676dc6f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374368/normal_5fef97d24c85c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369305/normal_5fd75d332499d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447097/normal_6041a8dd59934.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414339/normal_601469deac9b4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502817/normal_605b8852caa5c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9ec9549f-d692-4209-9bca-deb370b2e775/introduction_to_biotechnology_william_j._thieman.pdfIn PDF document text
- http://boxedaw.pbworks.com/w/file/fetch/144740859/financial_accounting_libby_8th_edition_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f72f891a-a8fb-4885-8ad0-a583e0b68441/como_descargar_donkey_kong_country_tropical_freeze_para_pc.pdfIn PDF document text
- http://sapixesut.pbworks.com/f/aicpa_soc_2_guide.pdfIn PDF document text
- http://pakesobiroge.pbworks.com/f/elysee_palace_website.pdfIn PDF document text
- http://botinuba.pbworks.com/f/thoptv_live_test_match.pdfIn PDF document text
- http://deduxofevit.pbworks.com/f/61377177686.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5eb18cbd-d144-4f1d-9682-fe099ac9a411/roman_numerals_worksheet_year_5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b399c2e-6c43-4443-af06-92e0d5c651c9/97277398404.pdfIn PDF document text
- http://werinenimuta.pbworks.com/w/file/fetch/144529929/19049146425.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3519a38c-51d2-4f78-adf2-ae493553dd17/watch_pride_and_prejudice_1995_online_free_dailymotion.pdfIn PDF document text
- http://zaxovaleso.pbworks.com/w/file/fetch/144923913/traffic_rider_hack_ios_2020.pdfIn PDF document text
- http://xewubamefa.pbworks.com/w/file/fetch/144811005/multi_os_bootable_pen_drive_software_free_download.pdfIn PDF document text
- http://razevolo.pbworks.com/w/file/fetch/144877569/pharmaceutical_organic_chemistry_2_nirali_prakashan.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_off0000f37d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37D | 5000 bytes |
SHA-256: d3d19b1dcfc9b92ae160233fb1776a1082d539a09fd488f18060c36065b3dd9f |
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font_01_sfnt_off00010461.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10461 | 10900 bytes |
SHA-256: 37caf787cdae3e0421c093d6e77779173023b573cf65f4137990832dfcbfd5b0 |
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