MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to a redirector infrastructure known to host malicious content. The document body, though obfuscated, contains text related to a 'Texas jurisprudence study guide pdf' and a URL that appears to be part of a link farm designed to attract traffic. 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.ru/pify?keyword=texas+jurisprudence+study+guide+pdf
- http://navoba.matricespress.net/uploads/1/3/2/3/132302963/4343255.pdf
- http://files.baldwincountybossbabes.com/uploads/1/3/1/0/131070560/64adc4a41968d.pdf
- http://files.jillebailey.com/uploads/1/3/1/4/131437123/waxadejazasenojokis.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9998/7873/files/lezapidum.pdf
- https://cdn.shopify.com/s/files/1/0435/0436/9816/files/83644894317.pdf
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/mazugoboxeg.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/31873148531.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jedajuzosefowi.pdf
- https://cdn.shopify.com/s/files/1/0433/3800/6686/files/govidojenimimosuxagu.pdf
- https://cdn.shopify.com/s/files/1/0427/9674/4871/files/68534034926.pdf
- https://cdn.shopify.com/s/files/1/0439/5093/2123/files/lajapitorizinujik.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovaje.pdf
- https://cdn.shopify.com/s/files/1/0435/6843/1265/files/todowazago.pdf
- https://cdn.shopify.com/s/files/1/0428/5943/0047/files/35531235403.pdf
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/5513633607.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_off00006c3f.bin94e7bfce803eb35ed8d3288536268c7ff274e6819868f286393ccf2547ebd4ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C3F | 5484 bytes |
font_01_sfnt_off00007f0d.bin8cbc44969008ce07dbfc73dca84c382225d5f06d0c9a8ba06ecb98138bb5de0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F0D | 10532 bytes |
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