MALICIOUS
156
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. It contains a large number of external links, suggesting a link farm designed to direct users to potentially harmful content. One of the primary external links points to a URL that appears to be a lure for downloading software, which is a common phishing tactic. The PDF structure and embedded links indicate an attempt to facilitate the download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://trafffe.ru/123?keyword=obs+app+download+for+pc
- https://xafafiseroferop.weebly.com/uploads/1/3/4/5/134525648/pegeloxexubobuvi.pdf
- https://cdn-cms.f-static.net/uploads/4367007/normal_5f89bf8264b5b.pdf
- https://gafalevomunu.weebly.com/uploads/1/3/4/2/134235362/8533808.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/48ffa8e0-6147-425a-9126-149a84fc797d/20074290066.pdf
- https://uploads.strikinglycdn.com/files/e51e3dc3-381c-43a2-9b59-c0b724da8f8b/66904976921.pdf
- https://uploads.strikinglycdn.com/files/e916021c-22f1-4c4c-ac40-3e5b8292bce8/divezugutu.pdf
- https://s3.amazonaws.com/rekorewexidiwo/ancient_egypt_download.pdf
- https://uploads.strikinglycdn.com/files/117116b8-0ed9-43c3-9ba6-be0e76ffad61/nulewov.pdf
- https://uploads.strikinglycdn.com/files/58d0e332-69de-4d94-97b5-dbcb9949f8e6/vurawagepaf.pdf
- https://uploads.strikinglycdn.com/files/f8a6661d-b2e3-47bb-a28f-6cb89c113ce7/physical_therapy_abbreviation_dnt.pdf
- https://uploads.strikinglycdn.com/files/d8ea81f4-3d6b-4583-bae0-c9a73e8a0124/80282054838.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_off0000c88a.bin3457b0c2023b74fb6d86cc2a66a5d6e308c1a4e269e77d7adf030c02ab6ab8c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC88A | 5408 bytes |
font_01_sfnt_off0000db07.bince49e7fe942df799c8a3d87ed2d920b711d6cef8f5ec8bd54c1e5058e87e18ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB07 | 10152 bytes |
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