MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify and other static hosting services. One of the primary links directs to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and several benign-looking URLs, likely part of a link farm to obscure the malicious intent.
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=exercice+conversion+puissance+10+phy
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/2224/4264/files/petty_cash_book_questions.pdf
- https://cdn.shopify.com/s/files/1/0439/2216/1832/files/cartridges_of_the_world_13th_edition.pdf
- https://cdn.shopify.com/s/files/1/0436/4953/2069/files/38446205219.pdf
- https://static.usrfiles.com/ugd/5bb01c_b30ce453f53348c8831797c5a3c86463.pdf
- https://static.usrfiles.com/ugd/6cf392_ad2687ad15114782a57f8801e690b209.pdf
- https://static.usrfiles.com/ugd/b8c837_3f9ef69550884b49863cf826be322f37.pdf
- https://static.usrfiles.com/ugd/b8c837_6842c2b36a42404caf4783df198271e6.pdf
- https://static.usrfiles.com/ugd/0f5b72_c17d1d303e644459a6206e424c9ef8ac.pdf
- https://static.usrfiles.com/ugd/b8c837_a3912266a6694ec7a4038ccb1f1778ca.pdf
- https://static.usrfiles.com/ugd/b8c837_9b344450f25b49bf95e1d2fa05b85f01.pdf
- https://static.usrfiles.com/ugd/b8c837_7ecafe7353ed4ead9ff7b02385f5eb06.pdf
- https://static.usrfiles.com/ugd/b8c837_12989437c7b045778bc8d97e3161f556.pdf
- https://static.usrfiles.com/ugd/b8c837_fbdbec32871a4be692c3e21ffaa8d85e.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_off00007c29.binc7b7d58c83b7a5269d9dae3bad14819d5922b9585c06504b85d4a29f62d06a61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C29 | 5368 bytes |
font_01_sfnt_off00008e79.bin63eb50451eb276a73886e1eaab8ab405e01e2336a582b05b9b82ca4632aef8e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E79 | 12144 bytes |
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