MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that redirect to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a 'partnership proposal' lure, and the URL https://ttraff.ru/wix?keyword=partnership+proposal+email+template is directly referenced. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely for SEO manipulation or to distribute further malicious content.
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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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/wix?keyword=partnership+proposal+email+template
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/911c12_36174e89ea8d4719b00fc2ee42c1b39a.pdf
- https://static.usrfiles.com/ugd/7e6083_3a5ed7fcd2f94afc966a15a1882da295.pdf
- https://static.usrfiles.com/ugd/43d598_524c25077c73433cbc35594849386836.pdf
- https://static.usrfiles.com/ugd/3aee12_23ddbd6886ed4454866e78f2f1e566ed.pdf
- https://static.usrfiles.com/ugd/b8c837_4d6113f6fb5540a5ba59512849ae614a.pdf
- https://static.usrfiles.com/ugd/b8c837_5bf50ae1afd24b6fb38718fd7279e402.pdf
- https://static.usrfiles.com/ugd/8b4172_c108b75fe08e405bb0827c3540e162e1.pdf
- https://static.usrfiles.com/ugd/b8c837_369015d0020e4dee8665f1455887811e.pdf
- https://static.usrfiles.com/ugd/b8c837_cad9da7fa409402b9399a38ecaa6359b.pdf
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/kisujatowilifulit.pdf
- https://cdn.shopify.com/s/files/1/0434/3237/8517/files/35847711059.pdf
- https://cdn.shopify.com/s/files/1/0452/8907/8946/files/bank_exam_free_study_material.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_off0000613f.bin78cce9a0d58c8404653f2bcdb60445a8e851c6212dea6881385fed51581a10cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x613F | 5060 bytes |
font_01_sfnt_off00007248.bin5bdfa31423058fd56996762b4c88639217da711115d62656cd0a61431505f0e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7248 | 9956 bytes |
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