MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with at least one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm or spamming operation. The ML classifier also strongly flagged this PDF as malicious. The embedded URL 'https://ttraff.ru/123?keyword=thx+deep+note+clg+wiki' is a primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://ttraff.ru/123?keyword=thx+deep+note+clg+wiki
- https://zepaxanodufinek.weebly.com/uploads/1/3/4/4/134455649/zorefugim_ketomuvuxi_wuxujana_jovibewitug.pdf
- https://jewadasin.weebly.com/uploads/1/3/4/6/134604584/bufirit_nukefowake_gugoba.pdf
- https://donodofi.weebly.com/uploads/1/3/1/8/131856097/7195609.pdf
- https://tisatazufewuvo.weebly.com/uploads/1/3/1/1/131163687/vivis_mozirisamewo_xolijex_panulurebu.pdf
- https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/balatipolimol.pdf
- https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/rifanowoxegag_xumipefav_xowotesudomeba.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/f8f37fec-23d9-4f4c-bfdb-755739bcdde8/52455448766.pdf
- https://uploads.strikinglycdn.com/files/20a99044-bdaa-4eeb-9919-c4384083e2ea/10889067782.pdf
- https://uploads.strikinglycdn.com/files/5ef93703-2bc4-49c7-9ba0-58d1e5efe17b/nexuro.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_off00011b1b.binfc9045065f2c2395cfc0344682d3032cd0778cdb36eb75a5d725289c1e9ca445 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B1B | 4812 bytes |
font_01_sfnt_off00012b88.bin7691054b0066fd325ebd321670e5cf00aa681a7bb5c34ef5024830ba3263f130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B88 | 11596 bytes |
font_02_sfnt_off000152c2.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152C2 | 4324 bytes |
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