MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure and a large number of external PDF links. The ML classifier also strongly indicated maliciousness. The embedded URLs suggest a phishing or malware distribution campaign, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cctraff.ru/123?utm_term=voyage+of+the+mimi+streaming
- https://static.s123-cdn-static.com/uploads/4482002/normal_5ff8ef77ddb83.pdf
- https://static.s123-cdn-static.com/uploads/4409093/normal_5fc5342691f8f.pdf
- https://static.s123-cdn-static.com/uploads/4459029/normal_5ff7603cd232b.pdf
- https://site-1168348.mozfiles.com/files/1168348/74276341966.pdf
- https://cdn-cms.f-static.net/uploads/4422145/normal_5fd85e14adc73.pdf
- https://site-1175656.mozfiles.com/files/1175656/train_controller_salary_qld.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f8790a719e6e.pdf
- https://static.s123-cdn-static.com/uploads/4379489/normal_5fc411e25965d.pdf
- https://cdn-cms.f-static.net/uploads/4384640/normal_5fb42ed8506fa.pdf
- https://static.s123-cdn-static.com/uploads/4402533/normal_5ff42add9b04c.pdf
- https://site-1174085.mozfiles.com/files/1174085/woodoku_99_apk.pdf
- https://fidojosamesevuf.weebly.com/uploads/1/3/4/5/134594598/396048db.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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_off0000eec6.binecca5993263c3b95ad78b2090c1178cec72c93e22e9070577d09650387dec352 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC6 | 5216 bytes |
font_01_sfnt_off0001006d.bin331905ec7bbaf305cb88802d73520b58fc9d42e01c1a60c84e76666432066336 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1006D | 10860 bytes |
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