MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to academic content. The ML classifier strongly indicates maliciousness. The primary attack vector is likely social engineering via a link in the document.
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=warfare+and+culture+in+world+history
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/pivan.pdf
- https://cdn.shopify.com/s/files/1/0429/3784/3871/files/almidones_modificados_aplicaciones.pdf
- https://cdn.shopify.com/s/files/1/0465/5097/4614/files/marine_biology_career_information.pdf
- https://cdn.shopify.com/s/files/1/0435/3572/8794/files/62789262047.pdf
- https://static.usrfiles.com/ugd/b8c837_ebe7f6baeb774a73bb005ae56c2c3c00.pdf
- https://static.usrfiles.com/ugd/b8c837_7a70232a76194389b236cb1603ddb5c0.pdf
- https://static.usrfiles.com/ugd/b8c837_6955e9d84cd848d2a21972a51ac05b6a.pdf
- https://static.usrfiles.com/ugd/b8c837_a4ad87bbb5ac45b1b7a6d1efa8027d16.pdf
- https://cdn.shopify.com/s/files/1/0434/6619/5106/files/35476370942.pdf
- https://cdn.shopify.com/s/files/1/0431/1711/7601/files/xaxipemof.pdf
- https://cdn.shopify.com/s/files/1/0431/3592/6434/files/60270482043.pdf
- https://cdn.shopify.com/s/files/1/0429/9263/1962/files/1793025418.pdf
- https://static.usrfiles.com/ugd/b8c837_896d13de34924b1e8fcb7f854960b5df.pdf
- https://static.usrfiles.com/ugd/b8c837_e31d2145ce634a5995cfab1fcd8bc3e9.pdf
- https://static.usrfiles.com/ugd/b8c837_19687272ebf649d7b1e013a811d28860.pdf
- https://static.usrfiles.com/ugd/b8c837_e20c63f2fa844a8293d529830eaeef1e.pdf
- https://static.usrfiles.com/ugd/b8c837_60517da9f62944fd91ab3290b8e743aa.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_off00006add.binf903b43acad6b1c7fc7f9d8443f1c32981f116ac8ee54314c11dd82e27e91fbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ADD | 5316 bytes |
font_01_sfnt_off00007cfe.binbca009dd462f07c1b98160e03726640cb94c2fa00faaf3df1e6f1efac8478ab7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CFE | 10308 bytes |
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