MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm designed to redirect users to potentially harmful content. The presence of external URIs and the overall structure strongly suggest it's part of a phishing campaign, likely delivered as an attachment.
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-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 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://trafffi.ru/strik?utm_term=the+adventures+of+ulysses+by+gerald+gottlieb
- https://static.s123-cdn-static.com/uploads/4365649/normal_5fc46e803c7f0.pdf
- https://jesisime.weebly.com/uploads/1/3/4/8/134886507/062e1615e6.pdf
- https://sijetuso.weebly.com/uploads/1/3/4/4/134499475/limapodud_dafelakake.pdf
- https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/lifezevu_viteti.pdf
- https://xibogunef.weebly.com/uploads/1/3/1/3/131398295/4501467.pdf
- https://static.s123-cdn-static.com/uploads/4423427/normal_5fc63bec24414.pdf
- https://pomudada.weebly.com/uploads/1/3/4/3/134382041/duwigow-dovigomos-wosij-poleka.pdf
- https://gitokivoj.weebly.com/uploads/1/3/4/3/134316846/33f88.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/tibanepoxilibud/zuvutogizosepizevi.pdf
- https://static1.squarespace.com/static/5fc173ecdf132613bbc1a931/t/5fce3dc105ddc9599d4e1dd7/1607351745938/vujudisovevorig.pdf
- https://s3.amazonaws.com/zuguvoxoki/love_warrior_book.pdf
- https://static1.squarespace.com/static/5fce57e4564f736a5831eea4/t/5fd74eeec4373837b9283781/1607945966916/69199294970.pdf
- https://uploads.strikinglycdn.com/files/cd87d33e-2099-4285-a8de-3fd6e2370815/clinical_neuroanatomy_snell.pdf
- https://uploads.strikinglycdn.com/files/89c2d768-af85-451e-b9f4-422e8c997adc/magic_chef_wine_cooler_manual.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_off0000d5a4.bin62deb11087302554fa7fe168b7489be048779999eeab8089f47d69c807d3d488 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A4 | 5420 bytes |
font_01_sfnt_off0000e81b.binccad70c7baeda9baa4d8c71d9cb96fcc92fb3c7e31f2a90c0ec30058461001cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE81B | 10912 bytes |
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