MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a phishing or malware distribution attempt. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document may be instructing users to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://midufefew.ru/123?utm_term=command+and+conquer+3+maps
- http://tanemazijafawin.medianewsonline.com/attack_on_titan_season_4_episode_6_watch_online_reddit.pdf
- http://fejugutafilevin.scienceontheweb.net/faxudiladepumokumozude.pdf
- http://ludshop.xyz/79513226555ltn6r.pdf
- https://static.s123-cdn-static.com/uploads/4448995/normal_5ff96f26b5fb9.pdf
- http://puduvab.sportsontheweb.net/vunareke.pdf
- https://cdn-cms.f-static.net/uploads/4412408/normal_5fea405dbb43e.pdf
- https://cdn-cms.f-static.net/uploads/4467577/normal_600ea52a2cc1b.pdf
- https://static.s123-cdn-static.com/uploads/4370052/normal_5fcef86b8f875.pdf
- https://static.s123-cdn-static.com/uploads/4414672/normal_5fcb111bd4bbc.pdf
- http://iglivesupportteam.com/bbc_war_and_peace_2016_season_1_episode_1_youtubexdwfu.pdf
- https://static.s123-cdn-static.com/uploads/4410954/normal_5fc7760333b74.pdf
- https://static.s123-cdn-static.com/uploads/4416510/normal_5ff97e0208ede.pdf
- http://businesslinecenter.com/actualizar_app_del_sistema_androidjndud.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://widusop.atwebpages.com/chain_rule_problems_in_aptitude_download.pdf
- https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_9e512461b0114f2f8eb9354075280670.pdf?index=true
- https://b1b1ed1d-a631-407f-b8a0-2f609481a9c2.filesusr.com/ugd/3e5895_6cf890730f0541619596416ffb08d845.pdf?index=true
- https://1ec9b6e7-17eb-4e1e-a994-ba5ce4cbdb7c.filesusr.com/ugd/d4a9d6_ff465681729c4c54a8e31af11a974a33.pdf?index=true
- https://f3c4034a-4a94-4c47-b6c5-0445626d7bf8.filesusr.com/ugd/655f09_262c681c1269401c909b08cfd3fefd6c.pdf?index=true
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_a80bcdba65e44755ac57166956035153.pdf?index=true
- http://jadukubilelib.myartsonline.com/fubinizakikejeserimevipip.pdf
- https://55963656-6eb1-4b25-bcd5-bb835d65808b.filesusr.com/ugd/0064ae_de59504609e640bab6c70691e1fa7264.pdf?index=true
- https://b6f97e74-198a-461d-a312-d71b9712332b.filesusr.com/ugd/a2d007_6ec2e47f88394d2387096a5fc46f815f.pdf?index=true
- https://ac263381-fdad-4fda-ae78-6df6d71032d6.filesusr.com/ugd/25c42e_933ffecadeea4c32bf7c466e9f69d2e2.pdf?index=true
- https://6e37e838-c278-4d46-baa9-25b8497af200.filesusr.com/ugd/fbcb80_a87c0533e72b4628adab3c8ab7ddbf4c.pdf?index=true
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104a5.bin40ba38758a74226f32667ace902331f92916eb6cdd4b9b8e2e8effc53fd1124d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A5 | 5256 bytes |
font_01_sfnt_off0001164b.bin1ee458789ad7fb9bd5de62d968427e384530c33bb2ef44ebf70d680480b821ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1164B | 11264 bytes |
font_02_sfnt_off00013cb8.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CB8 | 4324 bytes |
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