MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of embedded external links, many of which point to disposable hosting services, suggesting a link farm or SEO manipulation tactic. The primary URL, 'https://gimoguvi.ru/strik?utm_term=to+kill+a+mockingbird+summary+chapter+20-25', appears to be a lure for users interested in book summaries, potentially leading to phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://gimoguvi.ru/strik?utm_term=to+kill+a+mockingbird+summary+chapter+20-25 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471992/normal_60691d612c9fc.pdfIn PDF document text
- https://rimidewazasi.weebly.com/uploads/1/3/4/3/134317879/jevovopon.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458161/normal_5fc603ff96532.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383295/normal_605dda3320a61.pdfIn PDF document text
- https://ropowutajute.weebly.com/uploads/1/3/5/3/135334821/9ba99bd8bb.pdfIn PDF document text
- https://zogetomobosuzo.weebly.com/uploads/1/3/4/7/134741576/327f1b6.pdfIn PDF document text
- https://mifitulu.weebly.com/uploads/1/3/4/5/134521308/c7d00525.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382781/normal_60025ae8e1314.pdfIn PDF document text
- https://gowajepev.weebly.com/uploads/1/3/4/9/134900038/3910116.pdfIn PDF document text
- https://mewurotimopu.weebly.com/uploads/1/3/1/3/131381658/37c9e5d2b021ea7.pdfIn PDF document text
- https://gabukoxikala.weebly.com/uploads/1/3/3/9/133997771/didutiber.pdfIn PDF document text
- https://wutowenejeboz.weebly.com/uploads/1/3/4/5/134599911/8535456865d66ac.pdfIn PDF document text
- https://gituruledutaza.weebly.com/uploads/1/3/4/4/134401886/lawojowitisavunuk.pdfIn PDF document text
- https://tarosukawumoteb.weebly.com/uploads/1/3/4/6/134691059/tifutixu_luxoj_zokejugud_mudumax.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385010/normal_604e17202e369.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501501/normal_6019bd9f4b1cd.pdfIn PDF document text
- https://wuwuleli.weebly.com/uploads/1/3/1/3/131398564/566766.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367941/normal_5fe414699795c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469641/normal_603fb5ae24c39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450427/normal_602d551ded75c.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/23f8381b-600b-436d-8c4c-f0b6f327c8e5/beat_saber_expert_plus_faster_song.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb7c5654-3c0b-4801-bf3a-bc0702911051/jevikiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f48d10b-2f71-4a38-aa4e-82ed85cc5c8e/81093399664.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_off00013eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EB0 | 6172 bytes |
SHA-256: 415ae9bb462ef6ff06cde7994284208e37d7ce355e967816f3c6ce30ee830151 |
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font_01_sfnt_off00015393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15393 | 10496 bytes |
SHA-256: 75f0ce26c57868a32e78ba359cc2d7fc93f3509e86191eda3241b0c6e7a5c6cc |
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