MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector URL, which is a common tactic for phishing and malware distribution. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a link farm designed to obscure the true destination. While no scripts were directly extracted, the presence of embedded URLs and the heuristic firings point towards a malicious document intended to redirect users to harmful content.
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=culinary+fundamentals+book
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/de65f7_4cf7309de43b4b728196ec91ee13ab80.pdf
- https://static.usrfiles.com/ugd/b8c837_093474b3ac45464aa9073fb644ee5b99.pdf
- https://static.usrfiles.com/ugd/b8c837_8c0ff9be2dd34bbea5a35923720e707a.pdf
- https://cdn.shopify.com/s/files/1/0434/3644/1752/files/vinayaka_katha_telugu.pdf
- https://static.usrfiles.com/ugd/b8c837_76bac145d3f942f5895190352fac18c3.pdf
- https://static.usrfiles.com/ugd/b8c837_2e25ee465b3d428b8809d408e3070812.pdf
- https://cdn.shopify.com/s/files/1/0440/8272/5029/files/36779277076.pdf
- https://cdn.shopify.com/s/files/1/0430/1553/6793/files/gudutifawukol.pdf
- https://cdn.shopify.com/s/files/1/0429/9456/5271/files/trustworthiness_in_qualitative_research.pdf
- https://cdn.shopify.com/s/files/1/0428/6559/0438/files/28886949886.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_off00005c10.bin607001c6efc3978367cacdfd6255e092e773a8115aae83dcbb1ef8ad10aba3f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C10 | 5264 bytes |
font_01_sfnt_off00006ddf.bin6ec5608a78b06f9bd705aadbe04d0f25288c6a7900796d93aae976c1d22ba81a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDF | 10412 bytes |
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