MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including a critical link to a known malicious redirector at https://ttraff.cc/wix?keyword=conventional+beamforming+matlab+code. The document body, though garbled, suggests a lure related to 'conventional beamforming matlab code'. The ML classifier strongly supports the malicious verdict.
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=conventional+beamforming+matlab+code
- https://static.usrfiles.com/ugd/2b25b5_a6b0e15eb15f4c27a60413f72c95704f.pdf
- https://static.usrfiles.com/ugd/409ca8_8e0ccc144b1c484682be181278d072dc.pdf
- https://static.usrfiles.com/ugd/ace02d_bb1a96872d194c3caf2d03847ed48885.pdf
- https://static.usrfiles.com/ugd/68ec51_6523cc097ce145a8a76632edb41ecd8d.pdf
- https://cdn.shopify.com/s/files/1/0432/1335/7211/files/tawaripu.pdf
- https://cdn.shopify.com/s/files/1/0432/8144/9118/files/daxotus.pdf
- https://cdn.shopify.com/s/files/1/0449/9282/3454/files/74184156561.pdf
- https://static.usrfiles.com/ugd/6a22cb_3cc1a0843f1748b39b2ae5d1f61fffe5.pdf
- https://static.usrfiles.com/ugd/516793_ecdb84b699e44147ab740dd85bcb0f37.pdf
- https://cdn.shopify.com/s/files/1/0433/0569/7440/files/dog_howling_at_night_sound.pdf
- https://cdn.shopify.com/s/files/1/0433/0268/2789/files/68346441355.pdf
- https://cdn.shopify.com/s/files/1/0430/9113/2577/files/tijedezusimipug.pdf
- https://cdn.shopify.com/s/files/1/0429/8126/1466/files/wepasonuwijotimugutuwo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008858.bin74c609f054191fed3c04975054c19823b1659498c9f4bb5b9a4be20ca1399f8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8858 | 5176 bytes |
font_01_sfnt_off000099e3.bina3a1b195a867477980c4b21d0efb929926fcdb35587c30d432357571a06dbdcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99E3 | 10588 bytes |
font_02_sfnt_off0000be08.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE08 | 4324 bytes |
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