MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector infrastructure, disguised as a download button for a speed test application. The ML classifier also strongly indicated maliciousness. The primary IOC is the malicious URL used for the lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cctraff.ru/123?keyword=speed+test+app+download+windows+10
- https://cdn-cms.f-static.net/uploads/4368969/normal_5f88998ed55e7.pdf
- https://cdn-cms.f-static.net/uploads/4386607/normal_5f8f08e71a804.pdf
- https://kawigijutugin.weebly.com/uploads/1/3/4/3/134351661/746d066f28.pdf
- https://kipuxemoxux.weebly.com/uploads/1/3/4/6/134616309/detivikemibeze_kuropi_fozozugonax.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/memul/lenguaje_musical_ritmico_1_ediciones_si_bemol_descargar.pdf
- https://uploads.strikinglycdn.com/files/a1e55529-6796-49c7-9f55-e7dd8796acbc/bapadorudogu.pdf
- https://s3.amazonaws.com/belopudevuzuza/wadosara.pdf
- https://uploads.strikinglycdn.com/files/d03ffd70-48ee-49ac-a1d8-afbdd3b0e827/85187970828.pdf
- https://uploads.strikinglycdn.com/files/dcab28ba-166a-4e0b-8e9c-75f2f98a9954/40002308914.pdf
- https://s3.amazonaws.com/pizivurapab/90334779634.pdf
- https://s3.amazonaws.com/zevutebulaworel/51698478670.pdf
- https://uploads.strikinglycdn.com/files/71e7fef9-d808-4211-bcb5-4e24ff78ff13/jizoditu.pdf
- https://uploads.strikinglycdn.com/files/bb2f6755-eb80-4999-a4a7-bac85a5f1d56/intermediate_chinese_textbook.pdf
- https://s3.amazonaws.com/taturi/black_and_decker_air_fryer_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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ce7.bine0e9fea298f1813bf2ab5481536b30a3101c276edf4e8dc6679d3bca8e826cd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CE7 | 5036 bytes |
font_01_sfnt_off00006e24.binbed6c2b3ad473c79199bea4276197d40c8f5c13f8d4071f2172eb369acf8c171 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E24 | 10180 bytes |
font_02_sfnt_off000090ff.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90FF | 4324 bytes |
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