MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which likely serves as the initial entry point for further malicious activity. 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.com/pify?keyword=etc%252F+nginx%252F+sites-+available%252F+example.+com
- http://files.priscillawakefield.uk/uploads/1/3/1/1/131163872/jifoxun.pdf
- http://files.belzevfilms.com/uploads/1/3/0/9/130969083/723f29a0c28.pdf
- http://files.urbanbillionaire.com/uploads/1/3/0/7/130776308/5642874.pdf
- http://files.dianastapleton.com/uploads/1/3/2/7/132712325/24ef14e53.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/0811/5366/files/22721161632.pdf
- https://cdn.shopify.com/s/files/1/0434/0334/6078/files/nopedinunabowixap.pdf
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/58609387755.pdf
- https://cdn.shopify.com/s/files/1/0428/4225/9612/files/kawusiwezepevaf.pdf
- https://cdn.shopify.com/s/files/1/0430/8680/7201/files/jozipopo.pdf
- https://cdn.shopify.com/s/files/1/0436/2331/7662/files/vibiwuxijubefasevawabir.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/72017591235.pdf
- https://cdn.shopify.com/s/files/1/0436/9544/0040/files/jimebibowe.pdf
- https://cdn.shopify.com/s/files/1/0437/0379/5877/files/76596751050.pdf
- https://cdn.shopify.com/s/files/1/0435/8068/6491/files/kewugu.pdf
- https://cdn.shopify.com/s/files/1/0429/0120/9251/files/zorobuwewudizaduzevebon.pdf
- https://cdn.shopify.com/s/files/1/0434/5656/1318/files/visizibozaru.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_off00005be3.bin9ee628f242f81b83ba6fbcd9d351083f813a79149205a3ad21fb7a6bc8d45c0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BE3 | 5480 bytes |
font_01_sfnt_off00006e9e.bincb27aa97612a8fef8f5d1cb64ba4801212707d072592c777af571d8d1e7b93e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E9E | 14072 bytes |
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