MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document contains a mass external PDF link farm, with the primary malicious URL being https://ggtraff.ru/aws?utm_term=university+of+wyoming+football+injury+report. The presence of numerous links suggests an attempt to distribute malware or conduct phishing by directing users to potentially compromised or malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ggtraff.ru/aws?utm_term=university+of+wyoming+football+injury+report
- https://cdn-cms.f-static.net/uploads/4369150/normal_5f8907cccc380.pdf
- https://cdn-cms.f-static.net/uploads/4406481/normal_5f9fb9a4d3d9d.pdf
- https://static.s123-cdn-static.com/uploads/4379241/normal_5fdd841034579.pdf
- https://cdn-cms.f-static.net/uploads/4368756/normal_5fa84e3d3cb5c.pdf
- https://matazesugol.weebly.com/uploads/1/3/4/7/134702103/b80950.pdf
- https://cdn-cms.f-static.net/uploads/4393359/normal_5f8f2a9215d3d.pdf
- https://static.s123-cdn-static.com/uploads/4410679/normal_5fc8c4392a11a.pdf
- https://cdn-cms.f-static.net/uploads/4423732/normal_5f97f5df394dc.pdf
- https://cdn-cms.f-static.net/uploads/4381978/normal_5f9f39fb2fc48.pdf
- https://cdn-cms.f-static.net/uploads/4457008/normal_5fa9b427ef97e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dinigugaxej/kokonuvixigasuwov.pdf
- https://s3.amazonaws.com/nakuzafol/chiari_1_type_malformation.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_off0000d383.bin7e8e54054df37e7c4adbc5000cc7944c2e92e48a7effb4215bd2766d02827192 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD383 | 5680 bytes |
font_01_sfnt_off0000e6e5.bin775354394c855f0c0b3ec631fde0cd0e2f741d660a7c57a11b665d8591377a1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E5 | 11504 bytes |
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