MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.link/wix?keyword=yeast+fermentation+experiment+lab+report'. This URL is likely used to redirect users to a malicious site. The document also contains a large number of external PDF links, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicates maliciousness.
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.link/wix?keyword=yeast+fermentation+experiment+lab+report
- https://static.usrfiles.com/ugd/b8c837_09ced3a3177e44a4996202eaafbf7633.pdf
- https://static.usrfiles.com/ugd/921909_29b5590a1ace440d8a8360bd467a63ad.pdf
- https://static.usrfiles.com/ugd/857e61_6dc3bdb0bac748d28c4425338dd8013e.pdf
- https://static.usrfiles.com/ugd/286fb8_d7180e9a8ec14ef39a4cec1ae9fe0b76.pdf
- https://static.usrfiles.com/ugd/221eaa_93b7d727ef43449e9aefd559f204c7d5.pdf
- https://static.usrfiles.com/ugd/911c12_244e3ca5407d495099cc6e2ce9582997.pdf
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/sebofabowetotuse.pdf
- https://cdn.shopify.com/s/files/1/0432/4986/0765/files/pirizupuxupiponabavata.pdf
- https://cdn.shopify.com/s/files/1/0431/0604/2013/files/android_studio_hotkey_comment.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/the_book_thief_themes.pdf
- https://static.usrfiles.com/ugd/dcbeda_f2f5030c726e41e7a7a8ae2561411646.pdf
- https://static.usrfiles.com/ugd/b8c837_d2ea90ecca954ddb8538d840114365d5.pdf
- https://static.usrfiles.com/ugd/ce14f3_ebdbd15a8c6746919d94205f8c61909b.pdf
- https://static.usrfiles.com/ugd/3be3a7_81372eed7d994ce1bcce9eea227357fe.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_off0000760c.bin1bc255a3defa0ed7998f2f8b3354a26be341aa9cd90f03097b510162c3264873 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x760C | 5216 bytes |
font_01_sfnt_off000087b5.bin18b3f9e0ee9976a776a9a95a5c18c2ccceda3fb189475eb89fbc7cf270d0c5cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87B5 | 10420 bytes |
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