MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this file as malicious, specifically as a phishing or trojan. The presence of embedded URLs and the structure suggest an attempt to lead users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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://trafftec.ru/123?utm_term=watch+ranma+1%252F2+eng+sub
- https://vufufibujirefe.weebly.com/uploads/1/3/4/3/134355905/9bde1d14452e165.pdf
- https://zevijilutijeso.weebly.com/uploads/1/3/4/8/134850931/137674.pdf
- https://kirugivedipabaw.weebly.com/uploads/1/3/4/4/134464293/5d7a3d6129c.pdf
- https://fopabavegovos.weebly.com/uploads/1/3/4/7/134744375/vidikasa.pdf
- https://cdn-cms.f-static.net/uploads/4457312/normal_5fda705c67b16.pdf
- https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/5012314.pdf
- https://cdn-cms.f-static.net/uploads/4411714/normal_5f98679351bc0.pdf
- https://cdn.sqhk.co/vawikepaf/gidGjgz/gukabu.pdf
- https://cdn-cms.f-static.net/uploads/4390996/normal_5f9d05516e209.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/welutizenop/lorido.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_off0000ec6b.bin611266943316ce70a311ca2bd1f5858fad766891e0fb79290282fe59fb0391fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6B | 5552 bytes |
font_01_sfnt_off0000ff43.binb82853c050c3894a64ef4052d7016688e30ffaf37f36f5d1c9ee7d00dfd839d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF43 | 10384 bytes |
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