MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded URI pointing to 'zajinet.ru', which is flagged as a link farm on disposable hosting. ClamAV and ML classifiers also identified this PDF as malicious, specifically as a phishing trojan. The presence of embedded URLs and the nature of the heuristics suggest this document is designed to redirect users to malicious content, likely as part of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://zajinet.ru/strik?utm_term=how+to+use+infrared+foot+spa
- https://cdn-cms.f-static.net/uploads/4388617/normal_604ce6df1e714.pdf
- https://bewabolome.weebly.com/uploads/1/3/5/3/135347927/deca77.pdf
- https://sitepofom.weebly.com/uploads/1/3/1/4/131438718/laxuzajonosixes_gumebutejuge_xinox.pdf
- https://cdn-cms.f-static.net/uploads/4427780/normal_601b8d9d99d72.pdf
- https://gulezawajure.weebly.com/uploads/1/3/1/8/131858287/nusofejifutol_xoxeneregiwa_wedunutuv_jirevado.pdf
- https://digexuvin.weebly.com/uploads/1/3/2/8/132814990/xugula_xobopefebese_nofezokel_jitixuwaki.pdf
- https://fugogifozu.weebly.com/uploads/1/3/4/8/134888696/dajiladametexuguro.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/c92d9190-ee71-4ba3-aa17-91d82a2baa89/english_parts_of_speech_with_examples.pdf
- https://s3.amazonaws.com/xuzed/high_resolution_audiophile_music_free_s.pdf
- https://s3.amazonaws.com/bokexizometun/wezejemaxopu.pdf
- https://s3.amazonaws.com/gapuruxumeg/dell_optiplex_960_memory_maximum.pdf
- https://uploads.strikinglycdn.com/files/94363c43-c616-4096-8560-efd409eced82/4910990661.pdf
- https://uploads.strikinglycdn.com/files/02ea33b5-703c-40e6-8360-22f2978a8973/36026844434.pdf
- https://s3.amazonaws.com/zodererezuzuxi/facebook_reports_q3.pdf
- https://uploads.strikinglycdn.com/files/f304a549-18f4-4f5d-ab0b-5e85cfba8bc2/who_makes_intertherm_furnaces.pdf
- https://uploads.strikinglycdn.com/files/85841faf-fa34-47fd-adf9-3cd453daf1ac/25642102257.pdf
- https://s3.amazonaws.com/satuja/saeco_-_xsmall_vapore_2000_super-automatic_espresso_machine_-_hd8651_14.pdf
- https://s3.amazonaws.com/juzewojavomofew/38643819354.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_off00010f28.binf4e22d2fc07d603fa9d14e91da1f6f29dbf7496ff3462cd00ac29bfb432883d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F28 | 5056 bytes |
font_01_sfnt_off0001207a.bin24d740cef7865dbab8a3370b7ce153fceb956082b4857052854b49635b1f6e71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1207A | 10524 bytes |
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