MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a technique often used for SEO link farming or phishing. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a large number of external PDF links. The presence of embedded URLs and the ML classifier's high score further support its malicious nature. While no scripts were explicitly extracted, the structure and URL patterns suggest an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://traffking.ru/123?utm_term=ags+publishing+algebra+answer+key
- https://petavigavixate.weebly.com/uploads/1/3/4/4/134459614/janoxivo_jojaz.pdf
- https://cdn-cms.f-static.net/uploads/4492573/normal_5fadcf08e74bd.pdf
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f8711d08b8ae.pdf
- https://menebunokusup.weebly.com/uploads/1/3/4/5/134588819/acb0dd6eb3.pdf
- https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/5837771.pdf
- https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/df742ae47a.pdf
- https://cdn-cms.f-static.net/uploads/4366662/normal_5faf76ce34da7.pdf
- https://cdn-cms.f-static.net/uploads/4466376/normal_5fa4991c6dbb2.pdf
- https://cdn-cms.f-static.net/uploads/4374980/normal_5f9d2f3a55710.pdf
- https://cdn-cms.f-static.net/uploads/4374860/normal_5f916154a6d49.pdf
- https://cdn-cms.f-static.net/uploads/4446166/normal_5fa940545c878.pdf
- https://cdn-cms.f-static.net/uploads/4449603/normal_5fa6a95ac1e56.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/luresimosip/52285668240.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_off0000b6a1.bin7c5c27d9bdc08e16214aff82944ff7968647c8f547eae473152f6e5dde409bac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6A1 | 5468 bytes |
font_01_sfnt_off0000c949.bine94cb6abcc6c7e43437fe7b67e2916cb41665cb57649c801c509b37c68c14332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC949 | 10116 bytes |
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