MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm hosted on disposable domains, a common tactic for phishing or malware distribution. The presence of embedded URLs and the link farm heuristic strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9938
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bologen.ru/award?keyword=are+r+and+l+allophones+of+the+same+phoneme+in+korean PDF link annotation
- http://citruss.space/58210688761c1zeq.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426556/normal_5ff27b397dde8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489983/normal_600eec26d2da7.pdfIn PDF document text
- http://it50discount.pro/827225319737yuox.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454973/normal_5fd6236e59a81.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464327/normal_5feebb1092795.pdfIn PDF document text
- http://odemebayisitrafik.com/labilokiwumefimibhaxb.pdfIn PDF document text
- http://openplafond.xyz/jixerusaxoravuvipajan6h97.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490116/normal_601e168e586aa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379969/normal_600074c3bffa4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368952/normal_6007c9704cd32.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481509/normal_6003981abefd6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426063/normal_5fe1a75c350b4.pdfIn PDF document text
- http://kosodidaxelo.22web.org/tejonunaforesokezopefivo.pdfIn PDF document text
- http://nikecortez.net/what_is_greek_religion_beliefsui3tf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424996/normal_601e748fe9d1f.pdfIn PDF document text
- https://s3.amazonaws.com/gonafoziguwewe/anti_virus_malware_terbaik.pdfIn PDF document text
- https://s3.amazonaws.com/nigimul/carrom_game_for_java_mobile.pdfIn PDF document text
- http://sazexuxezife.rf.gd/87679931764.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/agenda_2020_para_imprimir.pdfIn PDF document text
- https://s3.amazonaws.com/vososasoxumete/50781497242.pdfIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F3 | 6104 bytes |
SHA-256: a25c73e25ffb254c0707440bd2a955639a84b170784317d9ce5be3af49084882 |
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