MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file, disguised as 'Sql server interview questions and answers pdf', contains numerous external links, with a critical heuristic identifying a link farm. One prominent URL, 'https://traffset.ru/123?utm_term=sql+server+interview+questions+and+answers+pdf', is likely used for phishing or to host a malicious payload. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/123?utm_term=sql+server+interview+questions+and+answers+pdf
- https://cdn-cms.f-static.net/uploads/4370266/normal_5fc19ed7aaf0a.pdf
- https://cdn-cms.f-static.net/uploads/4407100/normal_5f9f3b0428758.pdf
- https://cdn-cms.f-static.net/uploads/4370062/normal_5f8807471bac3.pdf
- https://cdn-cms.f-static.net/uploads/4368748/normal_5f8a6a7518ace.pdf
- https://cdn-cms.f-static.net/uploads/4371799/normal_5f97350ebda20.pdf
- https://cdn-cms.f-static.net/uploads/4447280/normal_5fa5e4f363ddc.pdf
- https://xenapake.weebly.com/uploads/1/3/4/3/134353424/853e4.pdf
- https://cdn-cms.f-static.net/uploads/4447888/normal_5fb7b92f17008.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/nowonovege/mazepuvifit.pdf
- https://uploads.strikinglycdn.com/files/62037a3e-3507-4c8b-bc23-b95cd64a1377/vuvivogawezupu.pdf
- https://s3.amazonaws.com/sukobogixe/descargar_chiasenhac_er_apk.pdf
- https://s3.amazonaws.com/laradusa/zudunabipev.pdf
- https://uploads.strikinglycdn.com/files/3dacb79c-3258-4c50-91bd-8a9b11b2ecf7/topigugewi.pdf
- https://s3.amazonaws.com/henghuili-files2/lubowijele.pdf
- https://s3.amazonaws.com/topipovikapari/27368845995.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_off0000d0e2.bin8554362c40252b485594a5805f8b5d6b7ae3052b21f094fd7a2f2b23f3f90b9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E2 | 5416 bytes |
font_01_sfnt_off0000e370.bin0aff2e3ac7d9d976ea5a002743b9ec61f1808e56fd89c03b5b16cd0176332a7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE370 | 10860 bytes |
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