MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm used for phishing or malware distribution. The primary external URL, https://zajinet.ru/strik, is likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 6
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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 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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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=instructional+media+and+methods+in+nursing+education+ppt PDF link annotation
- http://50offshop.pro/how_much_does_acorn_stairlifts_costevphl.pdfIn PDF document text
- https://cdn.sqhk.co/desixurate/fhdmgfe/fubanekulurefuvif.pdfIn PDF document text
- https://cdn.sqhk.co/temisexezoda/hhE3The/bell_bird_costa_rica.pdfIn PDF document text
- https://cdn.sqhk.co/duvapegoleva/DSLjjia/new_fall_guys_ultimate_knockout_walkthrough_guide_xbox.pdfIn PDF document text
- https://cdn.sqhk.co/kaxopejitin/dZhcvja/fitbit_charge_2_charger_near_me.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453551/normal_6028b5c85b4a7.pdfIn PDF document text
- http://omynutural.space/3903114992806v2k.pdfIn PDF document text
- http://bottlechainworld.com/946183317642540t.pdfIn PDF document text
- http://keep-travel.com/samsung_vrt_plus_washing_machine_ur_code62mcl.pdfIn PDF document text
- http://pushbiz.fun/1266555580279sg2.pdfIn PDF document text
- https://cdn.sqhk.co/bigulikexupa/ggi5jdJ/two_player_games_on_xbox_game_pass.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366344/normal_604edbd8ae2c9.pdfIn PDF document text
- https://cdn.sqhk.co/xopuxuvop/ZPifhj1/cut_the_paper_relaxing_games_on_steam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391915/normal_6060b341975db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453105/normal_604d96def132e.pdfIn PDF document text
- https://cdn.sqhk.co/tiviluluje/ighjbhf/31963293083.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420441/normal_600a79a7003a5.pdfIn PDF document text
- https://cdn.sqhk.co/bozadukopufu/TZFrAAI/pizza_maker_apk_pc.pdfIn PDF document text
- https://cdn.sqhk.co/fuvazuginu/jagiwQd/64997327650.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aefbb2f1-1cfc-4a48-aab2-d72547d84173.filesusr.com/ugd/2f3ac6_037e6147cf324382af9158d833b14895.pdf?index=trueIn PDF document text
- https://51bf459c-6b46-41b0-863f-532cf8a77e0d.filesusr.com/ugd/2eedf1_64d5442668dd491dabe77b8415e95a70.pdf?index=trueIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_94dcb39cae5840cf9136100593ee8f73.pdf?index=trueIn PDF document text
- https://b998fa74-583e-446a-a2a7-67f41460fdb2.filesusr.com/ugd/e081f8_e1f1d5cc88254944a855d0ab6e11236b.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015591.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15591 | 5424 bytes |
SHA-256: 8a81327bdc3704a5e0e50206cda14d737e96e90d89521990590b9cceaafc1d43 |
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font_01_sfnt_off000167d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167D3 | 11056 bytes |
SHA-256: f5df4cab03d00d34421197f0b3ef1d857e2387dde8015ab0acf10295f45f32b4 |
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