MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wix?keyword=best+android+ebook+reader+for+pdf', is designed to lure users under the guise of finding ebook readers. The file also contains a large number of embedded links to PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious.
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.cc/wix?keyword=best+android+ebook+reader+for+pdf
- https://cdn.shopify.com/s/files/1/0437/3705/5393/files/bruce_lee_songs_free.pdf
- https://cdn.shopify.com/s/files/1/0435/2291/6520/files/39312513541.pdf
- https://cdn.shopify.com/s/files/1/0431/4287/3245/files/kazaniwukabewubiku.pdf
- https://cdn.shopify.com/s/files/1/0433/3246/8890/files/61189391625.pdf
- https://cdn.shopify.com/s/files/1/0434/5826/5238/files/4871037833.pdf
- https://cdn.shopify.com/s/files/1/0462/6769/5255/files/zajabukuwasuko.pdf
- https://cdn.shopify.com/s/files/1/0432/1961/5901/files/arduino_uno_technical_specifications.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/tamixamutinogoroso.pdf
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/carthusian_statutes.pdf
- https://static.usrfiles.com/ugd/696b8a_11c45ee7a15249149109fb065fd7a0cc.pdf
- https://static.usrfiles.com/ugd/585b1d_41c683413d144d108fbaa63de583d150.pdf
- https://static.usrfiles.com/ugd/b8c837_6089b2989afa43249875c1a84d36af5a.pdf
- https://static.usrfiles.com/ugd/e32576_7dfd612fae5341dab62b6a0cfd25d5be.pdf
- https://static.usrfiles.com/ugd/451461_c751bcf065094b0cb135f76b9b8992a1.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d3f.bin45d1486f09e2fcc689b57b38a02361e08910771a7b34459b7228e50cf3b8b4f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D3F | 5256 bytes |
font_01_sfnt_off00007f32.bin5e8e1538af33eb6224fe7435eaa1874695f68996bef4c0963506b3fefb57c200 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F32 | 10500 bytes |
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