MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, appears to be a lure related to 'igcse physics revision worksheets pdf'. The PDF also contains a large number of external links, as noted by the PDF_SEO_LINK_FARM heuristic, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes.
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.com/wix?keyword=igcse+physics+revision+worksheets+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/fd3290_69820422a5604a83a5587cfe84846665.pdf
- https://static.usrfiles.com/ugd/b8c837_0e07668e1ce740638d2bf153e34a7753.pdf
- https://static.usrfiles.com/ugd/b8c837_0a694811ad564bd38b965194c57d12a1.pdf
- https://static.usrfiles.com/ugd/b8c837_8f8ef4fdabd7440c9452d65214075379.pdf
- https://static.usrfiles.com/ugd/b8c837_cc094715d9b24a4fb7148df98740b45c.pdf
- https://static.usrfiles.com/ugd/b8c837_37ebca5215094a1cb1e566d6df96baff.pdf
- https://static.usrfiles.com/ugd/3f4b99_d8b721a1916a48b6a9f611cd97239278.pdf
- https://static.usrfiles.com/ugd/89c6ad_2df0a554590446368912cb111e00261a.pdf
- https://static.usrfiles.com/ugd/314c35_07f033a97c354f01adccc31ffeca82fb.pdf
- https://cdn.shopify.com/s/files/1/0429/7746/0383/files/magic_bullet_expres.pdf
- https://cdn.shopify.com/s/files/1/0434/6164/0358/files/26859139719.pdf
- https://static.usrfiles.com/ugd/37321e_6d6891683f9641b783f4c8554d915295.pdf
- https://static.usrfiles.com/ugd/b8c837_1068a86272d44ee79c5c33a8e5e7a9ab.pdf
- https://static.usrfiles.com/ugd/b8c837_c932625d6e78453ca8ecbc84a2ade8ea.pdf
- https://static.usrfiles.com/ugd/8b49c6_8e6827a679d14e1490cdd86dc998e125.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_off000045a3.bin656919b150221709bec3d9c671600b17f12bcd4400e9cb2914721f08a3ada17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45A3 | 5432 bytes |
font_01_sfnt_off00005838.bin47bd94e05cefe4e22fae9d26ee3f6c858c23195774679d4e934bab4f3798e16c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5838 | 10484 bytes |
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