MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though partially corrupted, includes text related to 'nonparametric statistics for the behavioral sciences pdf free download' and the malicious URL, suggesting a lure for users seeking academic resources. The presence of a link farm heuristic further indicates an attempt to distribute malicious links.
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/wb?keyword=nonparametric%20statistics%20for%20the%20behavioral%20sciences%20pdf%20free%20download
- http://files.jjwhitememorial.org/uploads/1/3/1/4/131406211/sodage.pdf
- http://files.pqassessments.com/uploads/1/3/1/0/131070619/72b48af3efec26d.pdf
- http://files.sutterandassociates.com/uploads/1/3/1/6/131606343/6869718.pdf
- https://cdn.shopify.com/s/files/1/0435/5214/5560/files/63522267412.pdf
- https://cdn.shopify.com/s/files/1/0434/8415/1974/files/texas_drivers_license_restriction_b.pdf
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/prodigy_math_play.pdf
- https://cdn.shopify.com/s/files/1/0433/2158/9913/files/52704707389.pdf
- https://cdn.shopify.com/s/files/1/0431/9235/2928/files/mefagezurobabaxabopebe.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/wiweduwafo.pdf
- https://cdn.shopify.com/s/files/1/0436/4405/9806/files/7113463321.pdf
- https://cdn.shopify.com/s/files/1/0432/3016/7202/files/98046179609.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bewewolifokolugetu.pdf
- https://cdn.shopify.com/s/files/1/0433/9807/0435/files/ludugiki.pdf
- https://cdn.shopify.com/s/files/1/0428/0877/0726/files/gafefidebiniwekumobozas.pdf
- https://cdn.shopify.com/s/files/1/0433/2650/5128/files/6325562206.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_off00005875.bind833d1e79a903bed73199eec501f2ae15c03b52c9cdb4694d19fe9563944ed24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5875 | 5656 bytes |
font_01_sfnt_off00006b9b.bin0fbc680f1cd85237d5ff7d74994828bf4728b1d149c25d5b724722aeb3cc6704 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B9B | 10204 bytes |
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