MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one pointing to a known malicious redirector at 'https://ttraff.ru/wix?keyword=flashlight+jessie+j+mp3'. The document body, though heavily obfuscated, also contains this URL and other links to PDF files, suggesting a link farm or SEO spam tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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=flashlight+jessie+j+mp3
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/c1615c_34dfcd3dda43474abe2bc1be1b23bfcf.pdf
- https://static.usrfiles.com/ugd/5ad03d_e025a2bfd36f426e9442a90f7c125aa9.pdf
- https://static.usrfiles.com/ugd/b8c837_add5c080a3664950809aec2effd32aa5.pdf
- https://static.usrfiles.com/ugd/b48b60_6986f2dfad734eff819c57d8134dea18.pdf
- https://static.usrfiles.com/ugd/cc14e4_aa879b1dfdb64d8eaed196a08ee3766c.pdf
- https://static.usrfiles.com/ugd/ae059d_a65561cc9442460d8f26a2645a6e24f1.pdf
- https://static.usrfiles.com/ugd/a1fb72_0c5c8f040a0e4d49babe3fcaa9eed6c1.pdf
- https://static.usrfiles.com/ugd/cbdbb6_806dcf46c3a94c58b25fa3a6c7af09b8.pdf
- https://static.usrfiles.com/ugd/b8c837_04575e3c877248a19f699182ba6cc4b2.pdf
- https://static.usrfiles.com/ugd/b65acf_b6f4452acbde46cf9e26df9eda0cd3fd.pdf
- https://cdn.shopify.com/s/files/1/0435/9097/5647/files/oxford_advanced_learner_s_dictionary_download_free.pdf
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/96475470181.pdf
- https://cdn.shopify.com/s/files/1/0447/0787/2921/files/arsene_lupin_contre_sherlock_holmes.pdf
- https://cdn.shopify.com/s/files/1/0429/5675/1002/files/wojebujajoxiromalovomapef.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_off00005846.binc4ad271a698181786e7188fc58f0e775f42b2af062352708591455a46617259e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5846 | 5332 bytes |
font_01_sfnt_off00006a54.bin64ff3d00ba2c108ae9082dc774d4b4f8d938bf2e99a8f83c849e1fb2ce04b935 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A54 | 14032 bytes |
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