MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded links, with at least one pointing to a known malicious redirector. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to lure users to malicious sites.
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=doyles+guide+barristers+2019
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_fb7f2479483b46509ae1b8bf42284415.pdf
- https://static.usrfiles.com/ugd/19103d_fac92c8b1d0e4bff9823d1c629a6d654.pdf
- https://static.usrfiles.com/ugd/5ad03d_64913c45442b482596f55bf37960c6dd.pdf
- https://static.usrfiles.com/ugd/7d21c0_5f17d110003948aebcd7558a816ea7f9.pdf
- https://static.usrfiles.com/ugd/83d902_b38b528b76c34e5d9ee7b10626002e72.pdf
- https://cdn.shopify.com/s/files/1/0437/5393/0901/files/renesas_usb_3._0_driver.pdf
- https://cdn.shopify.com/s/files/1/0432/1460/2401/files/examining_digit_place_value_common_core_sheets.pdf
- https://static.usrfiles.com/ugd/b88e3d_9b707a4a7dfd420ba2a3723bc6fe7d01.pdf
- https://static.usrfiles.com/ugd/7603ae_fa31933f3b484d4586dea4d0dfecb204.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/modal_auxiliary_verbs_book.pdf
- https://cdn.shopify.com/s/files/1/0428/3544/3875/files/stdin_in_c.pdf
- https://cdn.shopify.com/s/files/1/0431/8937/1040/files/41772746376.pdf
- https://cdn.shopify.com/s/files/1/0434/0760/5923/files/52287424516.pdf
- https://cdn.shopify.com/s/files/1/0438/0318/1218/files/45000961202.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_off00005bc3.bin6af581c31d5b75593fb664372af65058bc77853d2f4b9cb19f357f8544a7caee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BC3 | 5716 bytes |
font_01_sfnt_off00006f48.bin30058ffdbf00a1c76c5eebe3813cbc5933cbd3c0bdce60cdec835bdf8881d1ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F48 | 9820 bytes |
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