MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to benign-looking documents, but one critical link redirects to a known malicious infrastructure. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector URL suggests an attempt to lead the user to a malicious site. No scripts were extracted, but the document's structure and embedded links are indicative of a phishing or redirection campaign.
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/wb?keyword=complex%20or%20compound%20sentences%20worksheet
- http://gidunopo.simondeacon.com/uploads/1/3/0/7/130776428/e024c.pdf
- http://zutedalu.ngfmeetings.com/uploads/1/3/1/3/131383297/sufukegiwevupiroje.pdf
- http://files.torreypinesfootball.com/uploads/1/3/1/4/131483098/tarugaxogumomefite.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0450/0311/2616/files/mathematical_physics_by_arfken_download.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/rafagedetosixuv.pdf
- https://cdn.shopify.com/s/files/1/0437/3574/4673/files/insulin_aspart_davis.pdf
- https://cdn.shopify.com/s/files/1/0435/4729/5898/files/tiwitozofa.pdf
- https://cdn.shopify.com/s/files/1/0440/1630/4278/files/tefipefugikakinu.pdf
- https://cdn.shopify.com/s/files/1/0431/7777/1162/files/95993537284.pdf
- https://cdn.shopify.com/s/files/1/0432/6329/5650/files/technical_drawing_with_engineering_graphics_15th_edition_free.pdf
- https://cdn.shopify.com/s/files/1/0435/8651/9203/files/65013614236.pdf
- https://cdn.shopify.com/s/files/1/0454/9489/4744/files/demedofakunapam.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3133/files/81130108894.pdf
- https://cdn.shopify.com/s/files/1/0432/1017/8717/files/1834354289.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_off000058c2.bin65f24e284fb0087a42d7536b12f58d1a2771e16eace2ac3bad6ee71fa89ea4b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58C2 | 5232 bytes |
font_01_sfnt_off00006a75.bin651a1dcfca1c5fcb0ea068c202dcd0028a830073a554a5e97091b2c40ab22c67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A75 | 9588 bytes |
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