MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, characteristic of a link farm or SEO spam. ClamAV and ML classifiers identify it as malicious, likely a phishing or trojan delivery mechanism. While no scripts were explicitly extracted, the PDF structure and numerous URLs suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://leonvi.ru/strik?utm_term=2010+international+power+electronics+conference PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459464/normal_60632e8be10ed.pdfIn PDF document text
- https://wukelefitifaka.weebly.com/uploads/1/3/4/8/134882985/103780187443e.pdfIn PDF document text
- https://cdn.sqhk.co/nitagalut/rcqihie/affirm_ipo_stock_price.pdfIn PDF document text
- https://cdn.sqhk.co/ramejolir/xUxogj6/ivan_pavlov_theory_used_today.pdfIn PDF document text
- https://tapogizixe.weebly.com/uploads/1/3/4/8/134897788/sowubukidisujinegep.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378857/normal_5fdbb77b7ed3e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482625/normal_5fec992e5f539.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426696/normal_5fddc81659ebd.pdfIn PDF document text
- https://semotifivunadi.weebly.com/uploads/1/3/1/3/131380295/1055314.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409114/normal_5fdddffce3cbc.pdfIn PDF document text
- https://mereduje.weebly.com/uploads/1/3/4/7/134751500/pofozetu.pdfIn PDF document text
- http://kitukotobov.medianewsonline.com/mekogojulagatemavor.pdfIn PDF document text
- https://cdn.sqhk.co/ratufewebu/bif13dN/hero_brave_battle_of_dragon_mod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388629/normal_6041e1d55857d.pdfIn PDF document text
- https://cdn.sqhk.co/zubejavaxuvu/gdpaZgf/tixovanumoxemuwasara.pdfIn PDF document text
- http://loxupuf.mygamesonline.org/vimivukanefuvigigijo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411916/normal_603f994c62485.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490515/normal_5fe937b9c3967.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449614/normal_5fd6668ec3080.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457876/normal_5ffc4c2c99762.pdfIn PDF document text
- https://cdn.sqhk.co/luwokiseg/Ohehfgi/microsoft_authenticator_windows_10_login.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413865/normal_600c7e1fa41ec.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392664/normal_5fc816ac996a9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fogovulosuzan.onlinewebshop.net/lista_de_habilidades_de_afrontamiento.pdfIn PDF document text
- http://rexefobixavater.myartsonline.com/16027916318.pdfIn PDF document text
- http://rosajeku.myartsonline.com/nike_air_force_1_07_womens_white_size_7.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_off0000ee5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5B | 5332 bytes |
SHA-256: 16d0bf9db48ed9fe6e206a6a35f9e3fe5c20679a0317c92ba9f3071f0e97eb0b |
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font_01_sfnt_off000100a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A1 | 11000 bytes |
SHA-256: c1c1b4e1b175b1d8844f0e88fbbdf4ef172221308fd051b241305f28362cc9c3 |
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