MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically a URL designed to deliver a payload. The document body, though heavily obfuscated, contains the same malicious URL and text related to a student visa attestation, suggesting a phishing lure. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm designed to distribute malicious 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/pify?keyword=attestation+de+prise+en+charge+visa+%25C3%25A9tudiant+pdf
- http://files.issaquahteencafe.org/uploads/1/3/0/9/130969211/552252.pdf
- http://xujubofab.mail.venltransport.nl/uploads/1/3/1/8/131856158/b2967a2a92e70eb.pdf
- http://files.mrsambermoore.com/uploads/1/3/1/3/131383377/vomasewagosukup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/3137/8590/files/43599223437.pdf
- https://cdn.shopify.com/s/files/1/0437/5547/1002/files/8277096272.pdf
- https://cdn.shopify.com/s/files/1/0427/8625/9100/files/nujos.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kusamusa.pdf
- https://cdn.shopify.com/s/files/1/0434/6249/2310/files/44825044934.pdf
- https://cdn.shopify.com/s/files/1/0439/3464/6440/files/42081513914.pdf
- https://cdn.shopify.com/s/files/1/0432/5765/9560/files/numpy_split_array_into_chunks.pdf
- https://cdn.shopify.com/s/files/1/0432/9357/3284/files/83508191168.pdf
- https://cdn.shopify.com/s/files/1/0435/9107/3947/files/89392664666.pdf
- https://cdn.shopify.com/s/files/1/0445/4989/8399/files/vehicle_safety_inspection_form.pdf
- https://cdn.shopify.com/s/files/1/0435/8209/5519/files/siwigajewugukobul.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_off00008061.binc8c61446ba0724822ff8cf69584f39427068458c919bf65f05e8bee9efbe2cc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8061 | 5576 bytes |
font_01_sfnt_off0000931e.bin245999a1960e0baba5723ad9f1b766afc7082848e3b35b3071e7c13102c227c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x931E | 12052 bytes |
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