MALICIOUS
124
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. It contains a link farm with 19 external URIs pointing to various PDF files, likely intended to obscure the true malicious destination. The primary URL, https://chcial.ru/pbw?utm_term=video+downloader+and+converter+mp4, suggests a lure related to downloading video conversion software. No scripts were extracted from this sample, but the presence of numerous external links and the ClamAV detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.8602
Heuristics 4
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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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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://chcial.ru/pbw?utm_term=video+downloader+and+converter+mp4
- https://derunemutojo.weebly.com/uploads/1/3/7/5/137517297/ludiwafuj_wetudob_kabug_lutaladiratu.pdf
- https://static.s123-cdn-static.com/uploads/4482403/normal_5fce9876d0b45.pdf
- https://zedodunojoponex.weebly.com/uploads/1/3/6/0/136083391/fobugak-kamejajen-jesejamipu.pdf
- https://bativizamazon.weebly.com/uploads/1/3/4/7/134770744/296f9ec53.pdf
- https://jazemajotejavux.weebly.com/uploads/1/3/2/6/132681398/jujoxozoxapavalo.pdf
- https://sasegedowitigi.weebly.com/uploads/1/3/4/8/134895647/804544.pdf
- https://rizapomon.weebly.com/uploads/1/3/0/7/130739727/0be2787d8e3316f.pdf
- https://gizibufunete.weebly.com/uploads/1/3/4/4/134492386/bezosabelelon.pdf
- https://nikonewakudofu.weebly.com/uploads/1/3/2/3/132303001/3073784.pdf
- https://cdn-cms.f-static.net/uploads/4375705/normal_5fe89b601d3e1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/5a50825c-f2f8-408a-b3d9-65fe5d59ce4b/17309433560.pdf
- http://vikiruji.pbworks.com/w/file/fetch/144716889/vidazudiwosaneka.pdf
- http://tisowowuduwe.pbworks.com/w/file/fetch/144596070/revolucin_solar_interpretacin.pdf
- http://welomobo.pbworks.com/w/file/fetch/144604140/bikini_bottom_genetics_worksheet_2.pdf
- http://nusometa.pbworks.com/f/nicki_minaj_queen_album_download_zip.pdf
- http://fulusivijomu.pbworks.com/w/file/fetch/144436968/jibexalinerageru.pdf
- https://uploads.strikinglycdn.com/files/412317fd-fd32-451c-93b7-f3ed7d7c11ae/rimuzolaboxavuvagokito.pdf
- http://guronavageba.pbworks.com/w/file/fetch/144486831/holt_mcdougal_biology_study_guide_a_section_1_manipulating_dna.pdf
- http://funuvutidip.pbworks.com/f/21723647664.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e335.bindd74e08c1152310f0a9cb114ce08e06d228d9d9a08ce4ceffb7631b48b273a64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE335 | 5248 bytes |
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