MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to malicious infrastructure, disguised as an academic worksheet. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and the embedded URL strongly indicate this malicious intent. The ML classifier also flagged this PDF with high confidence, suggesting it is part of a larger malicious 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/pify?keyword=3.+standard+deviation+and+standard+error+worksheet
- http://files.themissionhallproject.ca/uploads/1/3/2/3/132303312/noboga.pdf
- http://files.conscious-pictures.com/uploads/1/3/1/8/131871823/5215534.pdf
- http://files.fromplaygroundstopurpose.com/uploads/1/3/0/8/130874510/lexesilenon.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doxufuvezemog.pdf
- https://cdn.shopify.com/s/files/1/0454/6166/7998/files/bosch_gsh_11e_spare_parts_list.pdf
- https://cdn.shopify.com/s/files/1/0439/5368/4638/files/bwv_1042.pdf
- https://cdn.shopify.com/s/files/1/0433/4629/6982/files/61104828778.pdf
- https://cdn.shopify.com/s/files/1/0433/9505/5777/files/5403301075.pdf
- https://cdn.shopify.com/s/files/1/0432/1656/8482/files/illegal_window_file_name.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/mesotudux.pdf
- https://cdn.shopify.com/s/files/1/0432/9691/5621/files/42775318713.pdf
- https://cdn.shopify.com/s/files/1/0428/0126/6851/files/16869460312.pdf
- https://cdn.shopify.com/s/files/1/0432/6978/3720/files/bewegibuvapezisov.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39738284996.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_off000040bb.binf2e42df62bca4595b0a281116d290d1b4db3b1b95706031eefe4a79a40a67fa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40BB | 5196 bytes |
font_01_sfnt_off0000526d.binaa0867a4f22644424baecab511290685facc36a20b8fd03bd5cced8cf91cf190 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x526D | 8680 bytes |
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