MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded URI pointing to a suspicious domain, identified as a link farm on disposable hosting. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The document body, though heavily obfuscated, contains keywords that suggest a lure related to medical information, likely to entice clicks to the malicious URL.
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://nipisod.ru/award?keyword=proteinuria+adalah+pdf
- https://cdn-cms.f-static.net/uploads/4495251/normal_604b1b1833d4b.pdf
- https://static.s123-cdn-static.com/uploads/4500001/normal_5fedfffa0d609.pdf
- https://cdn.sqhk.co/desogepupema/iczidib/video_editor_with_music_app_android.pdf
- https://cdn.sqhk.co/fedovipawe/Ujgichf/dead_city_zombie_invasion_mod_apk_free_download.pdf
- https://cdn-cms.f-static.net/uploads/4489740/normal_603352a6e3cdf.pdf
- http://maxonona.22web.org/mepozixemumuvofigeruw.pdf
- https://cdn.sqhk.co/riluvexudeve/d8iighc/beruwakexanunekomanax.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/regegozumekoza/cell_block_cytology.pdf
- https://s3.amazonaws.com/jolituzoji/66059738135.pdf
- http://nowoduxer.rf.gd/12140915723.pdf
- https://uploads.strikinglycdn.com/files/308a40f7-0374-4a5b-8d27-5a5adf1dee92/how_do_you_program_a_honeywell_thermostat.pdf
- http://getuwakuwevideg.epizy.com/lozopaseromiweginaz.pdf
- https://s3.amazonaws.com/lijopavexanuse/musical_scores.pdf
- https://s3.amazonaws.com/megujobemegor/grade_10_math_worksheets.pdf
- https://uploads.strikinglycdn.com/files/83a6bc00-0c85-4925-92c9-1a3798dea706/ikea_catalogue_2020_australia.pdf
- http://magivaxinel.rf.gd/boronia_park_public_school_uniform.pdf
- https://s3.amazonaws.com/livivuvuwugeb/wd_my_cloud_storage_4tb.pdf
- https://s3.amazonaws.com/rexogeguxosix/59268999165.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f671.bin17dff8aa51180129811fcfbbbb895987d73dd6ea4cfd29d3b24d4fd601ec8303 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF671 | 4952 bytes |
font_01_sfnt_off0001073e.bin9b6e71137bc2ad3b511e122e5908ed5a9205d0eafe0476ce17c0b1d3ae796aec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073E | 10496 bytes |
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