MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the one flagged by the heuristic. This suggests the PDF is designed to redirect users to a malicious site, likely for phishing or to download further malware. The ML classifier also strongly indicated 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.club/wix?keyword=sch%25C3%25A9ma+anatomie+corps+humain+pdf
- https://static.usrfiles.com/ugd/e2f197_11c4a0f8ccb04d838325f253ae5be17b.pdf
- https://static.usrfiles.com/ugd/b8c837_46097ce2206045ce97267481e2a31680.pdf
- https://static.usrfiles.com/ugd/b8c837_4c69bdd5ea6641f28ed114ab42664ee6.pdf
- https://static.usrfiles.com/ugd/756799_57ece9941e35479583228e6e29f58994.pdf
- https://static.usrfiles.com/ugd/b8c837_ecf87b87e9d6415997fea48b7193cf8d.pdf
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/41221452104.pdf
- https://cdn.shopify.com/s/files/1/0434/2631/6455/files/xomuvidunedaziwasokir.pdf
- https://static.usrfiles.com/ugd/87d215_fcb5b84a5e254563bf2d9001cc75e8cb.pdf
- https://static.usrfiles.com/ugd/5bb01c_3c7a4111000c458a8c995bcadbf1b117.pdf
- https://static.usrfiles.com/ugd/51c472_ec269137c05b4c93bbc3c6443c8da920.pdf
- https://static.usrfiles.com/ugd/0c4177_024859f382294a438eeab7813e448ce2.pdf
- https://static.usrfiles.com/ugd/b8c837_e24ce86c8fa04a588c867cc4fe658ea9.pdf
- https://static.usrfiles.com/ugd/b8c837_7366e8f288254cdc89682d91f35a805a.pdf
- https://static.usrfiles.com/ugd/68ec51_43c29cba9c1c4a24b153b4fc116fad8a.pdf
- https://static.usrfiles.com/ugd/0ad6c7_f8c86c1647ee40eabebed63abc17a319.pdf
- https://static.usrfiles.com/ugd/2f7815_cc6e2d5f2d4c4b08803755708c2d2159.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_off0000f771.binac2e761c4854aed2b7bf4024b6cc5c4c823a8289c6e942947444d8811208ace5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF771 | 5608 bytes |
font_01_sfnt_off00010a13.bin2c0a9bc795c54afe0f1c246918bc267014ab66fc36de4f321990c29cfe51b5a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A13 | 14976 bytes |
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