MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://midufefew.ru/strik?utm_term=how+to+reset+tp+link+extender PDF link annotation
- https://cdn-cms.f-static.net/uploads/4461495/normal_6037ff048173a.pdfIn PDF document text
- https://cdn.sqhk.co/takularozo/jdUt5nA/gigakuwevudilim.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445880/normal_5fe5b87600db2.pdfIn PDF document text
- https://cdn.sqhk.co/rufebumu/hemY7Hb/photo_editing_software_effects_filters.pdfIn PDF document text
- https://cdn.sqhk.co/suxujaba/iaRgbgj/my_superhero_movie_song_lyrics.pdfIn PDF document text
- http://balenagawovu.22web.org/fanalaled.pdfIn PDF document text
- http://ziwotixog.22web.org/autocad_3d_2020_manual.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488809/normal_604d1e23f412a.pdfIn PDF document text
- http://guwaxata.iblogger.org/first_grade_phonics_worksheets.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xibubew.epizy.com/buccal_tablets.pdfIn PDF document text
- http://xixumosujo.rf.gd/89720927585.pdfIn PDF document text
- https://c06d174a-caca-4ab2-b5a0-4525cd3135d4.filesusr.com/ugd/856cea_a294c9865b5f42ba9ea29c361868e461.pdf?index=trueIn PDF document text
- https://b5f62e6e-b620-4b0e-90dd-fa81fc7fb5c2.filesusr.com/ugd/18d815_257541efc46a48bca94079ac3e7864b2.pdf?index=trueIn PDF document text
- https://383fd46b-cc41-47b7-9379-19c19d7bb1fe.filesusr.com/ugd/81c43a_5269b1c8bb674249a29ef2230fe36608.pdf?index=trueIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_0954fd28f33f4de983f09e9d59fe4369.pdf?index=trueIn PDF document text
- https://0fdd9f25-8366-4660-9463-376fd915ad39.filesusr.com/ugd/c16cf9_a99d7ac752c74177bd783a88d631a10f.pdf?index=trueIn PDF document text
- http://lusafawapinoxe.rf.gd/sheet_music_violin_twinkle_twinkle_little_star.pdfIn PDF document text
- https://ee6bc897-aa08-459d-b6e6-b1b1d69fcba1.filesusr.com/ugd/7ba596_7bafa15fbb72423c9d3d301176b451a6.pdf?index=trueIn PDF document text
- https://3485775d-af35-4505-8fb4-f6750f575e04.filesusr.com/ugd/42f18e_5bbbb4d416044b078fa3e852aedf77a9.pdf?index=trueIn PDF document text
- http://kugunimekuxaf.epizy.com/powuxexilitovino.pdfIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC6 | 2960 bytes |
SHA-256: 3a99bfcc8a6322cb1f5d9dd0c76c95525b0630114fc12c53a342d41e6b6e0e01 |
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font_01_sfnt_off0000ea36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA36 | 4928 bytes |
SHA-256: 914f6eff28984caa952250fa268e2cbf91c8d43e779470b8058ba17113f91da9 |
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font_02_sfnt_off0000fb19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB19 | 10992 bytes |
SHA-256: 4895a7d9ba7e3c28d5c403bdbb68d2708d26e383aa09bd0c5e08b998dbac5e5d |
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