MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. One of these links, https://traffking.ru/strik?utm_term=my+rotten+redheaded+older+brother, is directly embedded in the document. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or a link farm designed to distribute malware.
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/strik?utm_term=my+rotten+redheaded+older+brother
- https://cdn-cms.f-static.net/uploads/4416938/normal_5f988a6b7e72b.pdf
- https://cdn-cms.f-static.net/uploads/4426071/normal_5fa010117c137.pdf
- https://kowedanu.weebly.com/uploads/1/3/4/6/134687265/pibepifu_wosud.pdf
- https://diwapaxifok.weebly.com/uploads/1/3/4/4/134488462/4ca178e.pdf
- https://pazodozonevaken.weebly.com/uploads/1/3/4/6/134606284/ridosizapil_jirofivipemop_lezuvavafari.pdf
- https://xoretesani.weebly.com/uploads/1/3/4/3/134315313/sufuxotatoposos.pdf
- https://cdn-cms.f-static.net/uploads/4493578/normal_5fa9ca801af4a.pdf
- https://cdn-cms.f-static.net/uploads/4369908/normal_5fa9b39d1beda.pdf
- https://cdn-cms.f-static.net/uploads/4367960/normal_5fa32da4eb453.pdf
- https://cdn-cms.f-static.net/uploads/4453741/normal_5fa1293e0270d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/tometubufimopim/38531016467.pdf
- https://s3.amazonaws.com/sorogamat/algebra_age_word_problems_worksheet.pdf
- https://s3.amazonaws.com/titugome/rofubabatokaz.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_off0000af30.bindd46a9380812086f69fde7468f84b36d41916c18a704b47b3f7dbb71f1a8ea9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF30 | 4980 bytes |
font_01_sfnt_off0000c026.bin2eadd697cd69813ad1fda8d0af5000d6e8c84214fd065ed2bf53704a6fa0dc5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC026 | 9548 bytes |
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