MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded external links, identified by the `PDF_SEO_LINK_FARM` heuristic. The primary malicious URL observed is `https://traffset.ru/strik?utm_term=introductory+circuit+analysis+12th+e`. The presence of these links, combined with ML and ClamAV detections, strongly suggests a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
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://traffset.ru/strik?utm_term=introductory+circuit+analysis+12th+e
- https://cdn-cms.f-static.net/uploads/4407576/normal_5faf57469a138.pdf
- https://kilunifogewawo.weebly.com/uploads/1/3/4/4/134457757/3347945.pdf
- https://cdn-cms.f-static.net/uploads/4378164/normal_5f8f8a5ccfdbd.pdf
- https://cdn-cms.f-static.net/uploads/4410194/normal_5f954172bb48a.pdf
- https://cdn-cms.f-static.net/uploads/4489839/normal_5faf0a4a0643c.pdf
- https://cdn-cms.f-static.net/uploads/4482870/normal_5fabf1e2aa610.pdf
- https://cdn-cms.f-static.net/uploads/4365549/normal_5fa39a4266405.pdf
- https://cdn-cms.f-static.net/uploads/4469103/normal_5fa37c56c03ce.pdf
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/pugimus.pdf
- https://cdn-cms.f-static.net/uploads/4378175/normal_5f8a98d6a27b0.pdf
- https://cdn-cms.f-static.net/uploads/4413590/normal_5fb52c542f429.pdf
- https://cdn-cms.f-static.net/uploads/4367631/normal_5f889f0c0679c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/xisakazelelinim/82348461367.pdf
- https://s3.amazonaws.com/salade/taco_bell_nutritional_information.pdf
- https://s3.amazonaws.com/gifiz/generative_adversarial_networks_projects_kailash_ahirwar.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_off0000aac1.bin83b5cccee8227d7c982e4e1599673554584380773ff474d62c5693b24209aecc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAC1 | 5252 bytes |
font_01_sfnt_off0000bc9d.bin28f7d3c076d008180ae2fcd0b0c0fb10c26d8ea000608a803ea2d3e6540b94bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9D | 9676 bytes |
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