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 significant number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of external URIs and a link farm points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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://vilenefex.ru/strik?utm_term=what+is+the+value+of+gas+constant+r+in+joules PDF link annotation
- https://cdn.sqhk.co/telivagawu/ibifMWp/harris_jayaraj_telugu_movie_songs.pdfIn PDF document text
- http://metazoaapc.fun/felaluwirunixitilubbalrs.pdfIn PDF document text
- https://cdn.sqhk.co/vadetegubufo/8BI8Jkt/wiwikojabavewosep.pdfIn PDF document text
- http://vabetovopux.66ghz.com/battletech_beginner_box.pdfIn PDF document text
- https://cdn.sqhk.co/suxunuke/uicAijg/61065593417.pdfIn PDF document text
- http://reduslim-buy.site/21330540096on8gt.pdfIn PDF document text
- https://cdn.sqhk.co/wenovasew/gjfgft3/play_rummikub_game_online_free.pdfIn PDF document text
- http://vashe-zdorovie.xyz/sanutelenupufebezanim5wgzw.pdfIn PDF document text
- https://cdn.sqhk.co/lituxopevuk/gdihieF/strength_training_exercises_at_home.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://058da8ce-bb30-4b8c-81eb-8903018cac65.filesusr.com/ugd/ab745b_e6f5eaf477e64944a3772e7229ab45ea.pdf?index=trueIn PDF document text
- https://5a8aee2d-3d68-4c09-98ed-743c9c56d6fd.filesusr.com/ugd/460efe_33886625523b441f953605cfbe8f6528.pdf?index=trueIn PDF document text
- https://8ed62699-7d02-4439-b935-4286882ef7d4.filesusr.com/ugd/229b11_846ca20ae57c45dba62930c69a287e34.pdf?index=trueIn PDF document text
- https://1cbf0fd9-62af-4102-a3dc-982f361539e7.filesusr.com/ugd/bfbc46_ddca0f2540194becaf6f37873ef2f049.pdf?index=trueIn PDF document text
- https://4e4301d6-cc9a-4939-960a-6b497c1efea6.filesusr.com/ugd/d78803_eb9c06c3247848509c1f3850e46152a0.pdf?index=trueIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_d548a8cfddfa4520984b7118b7685cbb.pdf?index=trueIn PDF document text
- https://3c3b6f52-20a2-448a-be11-eec5930c502f.filesusr.com/ugd/0ca786_0ac2ec3a7be74bff809970b8b4c6454b.pdf?index=trueIn PDF document text
- http://jepevam.rf.gd/candy_crush_apk_mod_unlimited_lives.pdfIn PDF document text
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_d766d0a251214ebf9e79e0712348783c.pdf?index=trueIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f95b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95B | 5172 bytes |
SHA-256: e1de8511f430abbde7e559a1ca90f0ab5a28545d883126f05613212e0748e209 |
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font_01_sfnt_off00010b06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B06 | 11656 bytes |
SHA-256: 0d3bf2170b0a11979bc6387ae576692730f1115feaf2f1f535502ffaaf3dd4f0 |
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font_02_sfnt_off0001334f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1334F | 16360 bytes |
SHA-256: f9db4c28f42067c5a280255ef5c709361164f277599fb2ca7da3c9a7d4e37b20 |
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font_03_sfnt_off0001491f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1491F | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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