MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which point to potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' heuristics. The ClamAV detection further confirms its malicious nature. The embedded URLs suggest an attempt to redirect users to phishing or malware-hosting sites, likely disguised as educational content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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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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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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://ponafet.ru/strik?utm_term=common+core+sheets+unit+fraction+word+problems
- https://cdn.sqhk.co/xugiwatokax/Qjf8Kgc/17852993457.pdf
- https://cdn-cms.f-static.net/uploads/4387702/normal_60542f25bbd2e.pdf
- https://silatasetexa.weebly.com/uploads/1/3/1/6/131637876/rubarug_ferubanasipe.pdf
- http://topsol.xyz/689650281167u1b0.pdf
- https://cdn-cms.f-static.net/uploads/4463266/normal_6050ada4d8306.pdf
- https://gafujoneruxuf.weebly.com/uploads/1/3/4/7/134728567/f5272.pdf
- https://cdn-cms.f-static.net/uploads/4490001/normal_603e410f72e8e.pdf
- http://fabermanufacture.ru/kelufebomajogl474.pdf
- https://cdn.sqhk.co/kazamepa/ghd8eij/50838949198.pdf
- https://cdn.sqhk.co/gagufatemo/wbggehi/carmel_by_the_sea_restaurants.pdf
- https://cdn-cms.f-static.net/uploads/4389387/normal_605ef2ff22c57.pdf
- https://cdn-cms.f-static.net/uploads/4402711/normal_60344a1aaae4d.pdf
- https://static.s123-cdn-static.com/uploads/4393489/normal_60013a96200e1.pdf
- https://rurezakofone.weebly.com/uploads/1/3/1/1/131163981/xonijus_taxurix_tikuridipaf_zovalimalitem.pdf
- https://cdn.sqhk.co/fapiwejagiz/j2UJjh9/casino_games_slots_adventure.pdf
- http://sovetnik53.ru/45821254395jv3ir.pdf
- https://cdn-cms.f-static.net/uploads/4470028/normal_606b856b9a89b.pdf
- https://zubenori.weebly.com/uploads/1/3/5/3/135394140/nofimikife.pdf
- https://cdn-cms.f-static.net/uploads/4426257/normal_601813ee82995.pdf
- https://cdn.sqhk.co/fuluzagile/ffsihji/cat_game_the_cats_collector_mod_apk.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/51d80af5-d620-42af-973e-9004ef5be6b8/92357289471.pdf
- https://uploads.strikinglycdn.com/files/9479b5e1-51ae-4603-89b5-63a816ac9ded/96539425130.pdf
- https://uploads.strikinglycdn.com/files/fca0514c-441b-4cca-a7d9-6848bc6aab90/what_amp_breaker_for_220v_air_compressor.pdf
- https://uploads.strikinglycdn.com/files/8879b1cf-203f-44cd-ba90-fff9910c006c/tezor.pdf
- https://uploads.strikinglycdn.com/files/387e1af7-682f-4c4a-af16-97857b2f1c81/32543995935.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f9c2.bina61603e65aa2a1a2941d0acc89d0a18d3984519866611bee62b1bd4a4f7a31e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C2 | 5532 bytes |
font_01_sfnt_off00010c72.bin48bb214f5e5de0414e4714b5f7a8e713fdeac65b95242f1093ac5d67084b997c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C72 | 11288 bytes |
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