MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO abuse tactic. One prominent URL, https://cctraff.ru/strik?keyword=night+shift+richard+meyer+viola, is identified as a malicious redirector. This indicates the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://cctraff.ru/strik?keyword=night+shift+richard+meyer+viola
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/fefurorobumi/801209319.pdf
- https://uploads.strikinglycdn.com/files/abb5ec8e-be00-4456-9b04-1edf7a047965/26748754957.pdf
- https://s3.amazonaws.com/fasanag/50298657767.pdf
- https://s3.amazonaws.com/sinadi/ulta_beauty_application.pdf
- https://uploads.strikinglycdn.com/files/5d473f92-3e92-415b-8d39-2ed23f63154a/73427460878.pdf
- https://uploads.strikinglycdn.com/files/8341b343-ac36-4f9e-8786-f7ddf9e35f37/anova_reporting_table.pdf
- https://uploads.strikinglycdn.com/files/167d2ab3-9476-412e-8a46-aeec8b20c7be/92018268834.pdf
- https://s3.amazonaws.com/sugowubuf/search_inside_yourself_ebook.pdf
- https://uploads.strikinglycdn.com/files/593efcf5-7444-4cf4-94c0-efdcfd472136/guretenotikoleraxuduped.pdf
- https://uploads.strikinglycdn.com/files/655df5b1-c356-4e56-bae8-8ecaae5e0fde/tm_cua_trai_s_hn_c_h_tun_hon.pdf
- https://uploads.strikinglycdn.com/files/b70d5f35-a427-4f00-bad6-0b37de4b9a3c/baboxakalajomisoxulujasiw.pdf
- https://cdn.shopify.com/s/files/1/0432/8069/5462/files/parker_condensate_pot_installation_guide.pdf
- https://uploads.strikinglycdn.com/files/72a45e40-229b-4177-b592-dabf75e0959b/89152473965.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004db0.bin0668451e8c368fcb07ee540edb67f30ba0371d058cb76896df6294fb4e39a548 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DB0 | 5568 bytes |
font_01_sfnt_off0000608f.bin6862bb1b420226eb4010afb240579c9db4749f1097b2c86e9d55fc1cbc519529 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608F | 11956 bytes |
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