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 large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The embedded content, though garbled, appears to be related to academic material, which is a common lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://botokaw.ru/strik?utm_term=fundamentals+of+microelectronics+behzad+razavi+2nd+edition+solution PDF link annotation
- https://cdn-cms.f-static.net/uploads/4422645/normal_6062409eb074b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388271/normal_60637d155edb6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467564/normal_601af267843fa.pdfIn PDF document text
- https://fozogefijegajor.weebly.com/uploads/1/3/1/4/131453134/2785aab8b2ba44b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369908/normal_602c9b42e3ac5.pdfIn PDF document text
- https://cdn.sqhk.co/difixoruze/fCpjdjd/33248924515.pdfIn PDF document text
- https://cdn.sqhk.co/gubogezemazo/HYhhPhc/11972707853.pdfIn PDF document text
- https://cdn.sqhk.co/leporolino/epj0y5V/55400505318.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379969/normal_60071af83b8c5.pdfIn PDF document text
- https://futokiwusilo.weebly.com/uploads/1/3/4/4/134458686/6ccd6.pdfIn PDF document text
- https://jinepesel.weebly.com/uploads/1/3/5/3/135346763/4441985.pdfIn PDF document text
- https://jevixivuxed.weebly.com/uploads/1/3/4/6/134622771/juvolajipakar.pdfIn PDF document text
- https://wukelefitifaka.weebly.com/uploads/1/3/4/8/134882985/587991.pdfIn PDF document text
- https://fejilexa.weebly.com/uploads/1/3/1/1/131163980/9b6fe89819.pdfIn PDF document text
- https://cdn.sqhk.co/lajawawinu/Dgft7hf/zombie_frontier_3_sniper_fps_mod_apk_game.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365620/normal_5fe7f472761f1.pdfIn PDF document text
- https://lenagalazipanom.weebly.com/uploads/1/3/5/3/135310064/sojitivazixumot_setaresis.pdfIn PDF document text
- https://vezitiratad.weebly.com/uploads/1/3/1/8/131856143/bff3bd9.pdfIn PDF document text
- https://begagezegitajaj.weebly.com/uploads/1/3/1/3/131398046/8521327.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489050/normal_603a22a6d9747.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451047/normal_5fd0912898d64.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447276/normal_6052a8836adc7.pdfIn PDF document text
- https://movadopudi.weebly.com/uploads/1/3/0/9/130969115/mosiwu.pdfIn PDF document text
- https://fopulowaledini.weebly.com/uploads/1/3/1/6/131637921/fejunuzurive_wugowafu.pdfIn PDF document text
- https://molesomux.weebly.com/uploads/1/3/2/6/132681378/1242705.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F8 | 5596 bytes |
SHA-256: df9b0257c610f5993443c15fa76f70c16553dccaf1755ea2f77fa22c00f562cb |
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font_01_sfnt_off0000f6eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EB | 10368 bytes |
SHA-256: 2b727972918d1b22b506648c1c87cbec8d73207142920f0917d8edd0119199e4 |
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