MALICIOUS
194
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 large number of external links, many hosted on disposable domains, suggesting a link farm or phishing attempt. The primary malicious URL identified is https://kuzutuzo.ru/strik?utm_term=big+nate+book+9+pdf, which likely serves as a lure or a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://kuzutuzo.ru/strik?utm_term=big+nate+book+9+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4458856/normal_5fe85047894f5.pdfIn PDF document text
- http://24goodstore.site/rolling_stones-discography_torrent8wo0o.pdfIn PDF document text
- http://kufasoxix.22web.org/learn_chinese_language.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407807/normal_6067b3982f5c1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477183/normal_602c1384894de.pdfIn PDF document text
- http://lunagogafoxoj.sportsontheweb.net/artificial_intelligence_a_modern_approach_solutions.pdfIn PDF document text
- http://kavademive.sportsontheweb.net/34611179869.pdfIn PDF document text
- http://mscgis.net/lowufixajotgosm7.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://f2d828cf-06d9-46ea-85af-d88b0bc20d44.filesusr.com/ugd/501a20_30ca6d45b07046fd813238d6d06615d2.pdf?index=trueIn PDF document text
- http://padezaj.rf.gd/87334187930.pdfIn PDF document text
- https://97a45c9e-1ab5-462a-bfe2-fded34b9a8b9.filesusr.com/ugd/b50c55_ba5008671f4b4dc4ae3334b706ae6578.pdf?index=trueIn PDF document text
- https://d5f1d3db-1598-48d0-a061-764c190a6564.filesusr.com/ugd/866690_37c2cd90209548259ee39238d53cf2d5.pdf?index=trueIn PDF document text
- https://67258aaf-84c5-4a88-bfd2-1aa7ddb6c27a.filesusr.com/ugd/850f07_1425e558b7f14879a9eba9d338af2a31.pdf?index=trueIn PDF document text
- https://0b609444-e5a2-4a7e-9779-a3c6bae51a53.filesusr.com/ugd/529dbf_cea9979817c4487bb957863479d350b4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fapaga/wifomesegipi.pdfIn PDF document text
- https://s3.amazonaws.com/sefiwegegagu/maven_checkstyle_report_configuration.pdfIn PDF document text
- http://lopogoroje.rf.gd/66491013890.pdfIn PDF document text
- https://s3.amazonaws.com/baposivarabuj/10167888485.pdfIn PDF document text
- http://rojepubaxogo.epizy.com/70895066176.pdfIn PDF document text
- http://wipadafefuxasi.onlinewebshop.net/wukuzuvusixipadejari.pdfIn PDF document text
- http://dapibudajemuk.atwebpages.com/alien_shooter_2_cheats.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF260 | 5100 bytes |
SHA-256: 916086dfae23388f89f00e92500418501c12577480fafc33df0e6d115d885834 |
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font_01_sfnt_off000103ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103CE | 11508 bytes |
SHA-256: 7cd6676a468e99c3f08fce57efb32c40b43b829b906dd51e9bb877640b8bb9d4 |
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font_02_sfnt_off00012a9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9F | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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