MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous external URLs, with one specifically pointing to a resource that appears to be a lure for an 'excel template for class schedule'. The presence of multiple disposable hosting links and UTM parameters suggests a campaign focused on redirecting users to malicious content. No scripts were extracted, but the PDF structure itself is being leveraged to host malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://botokaw.ru/123?utm_term=excel+template+for+class+schedule
- https://cdn.sqhk.co/nosilaxuziz/3hjiehc/78550230068.pdf
- http://edayafar.xyz/aws_solution_architect_cheat_sheet_2020iwbfr.pdf
- https://cdn-cms.f-static.net/uploads/4365599/normal_6038df5a51669.pdf
- http://uplrezina.site/samsung_nu8500_curved_4k_uhd_smart_tv_55-inchr5smg.pdf
- https://cdn-cms.f-static.net/uploads/4490722/normal_6011e38f5f21b.pdf
- http://smartradiobf.ru/tavenuragukobefisg2jg.pdf
- https://cdn.sqhk.co/posukomokufi/3pbBja1/nostalgia_gbc_gbc_emulator_pro_apk.pdf
- http://gufutaca3.xyz/accident_reports_nc_state_highway_patrolr8kmw.pdf
- https://cdn.sqhk.co/puranajav/ivjh1f7/6035166850.pdf
- https://cdn-cms.f-static.net/uploads/4449996/normal_5fdaac44e1f32.pdf
- https://cdn.sqhk.co/vawadawuleja/bgjhgjg/68323137268.pdf
- https://cdn.sqhk.co/nujamaweke/UuihLoM/zombie_invasion_monster_trucks.pdf
- https://cdn-cms.f-static.net/uploads/4389809/normal_6034e02d2ecdb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mumitojeda.rf.gd/clinical_biochemistry_book_download.pdf
- https://s3.amazonaws.com/zevutebulaworel/business_information_systems_jobs_salary.pdf
- https://uploads.strikinglycdn.com/files/8525d300-7365-46f2-bab6-c73013f3048e/m_408_portable_super_bass_wireless_bluetooth_speaker_-_full_metal.pdf
- http://nivawuxiki.rf.gd/28099816392.pdf
- https://uploads.strikinglycdn.com/files/476071e7-22c2-4720-978d-50b6866c85ba/chicco_bravo_for_2_stroller_weight.pdf
- https://uploads.strikinglycdn.com/files/266673e5-a70b-4989-81b7-161f779cd667/61125454036.pdf
- https://s3.amazonaws.com/vebisop/79446509690.pdf
- https://uploads.strikinglycdn.com/files/4255aa7d-6d1f-47b2-935c-2c37067c1f47/5564903406.pdf
- https://s3.amazonaws.com/nakuzafol/92382772836.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_off0000ed40.bin40d0efed5396a095c39f818ee1ef1728949f36fc367215912f604a62c7dfa926 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED40 | 5420 bytes |
font_01_sfnt_off0000ff87.bin975b09db3e840f136b73a60a37f6b1c27f5e4d8ad7a1e3865a3df931daaffb3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF87 | 11140 bytes |
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