MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO abuse. One critical heuristic identified a link to known malicious redirector infrastructure, indicating a phishing or malware distribution attempt. The document body, while containing what appears to be a book title, is likely a lure to disguise the malicious intent of the embedded 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.cc/wix?keyword=jose+emilio+pacheco+las+batallas+en+el+desierto+resumen
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5168/7848/files/80761135007.pdf
- https://cdn.shopify.com/s/files/1/0435/8130/9085/files/dragon_compendium_volume_1_3._5.pdf
- https://cdn.shopify.com/s/files/1/0429/6343/5679/files/12343915556.pdf
- https://static.usrfiles.com/ugd/36f25b_7f287c2a1cad4c6e8375743b3b5bf70a.pdf
- https://static.usrfiles.com/ugd/de02f3_b3b9f4a2e7f8456bba8f8b4e8bc4029c.pdf
- https://static.usrfiles.com/ugd/544c7e_4cdb6d0cf1e541f2a457b8dcc4a41cdc.pdf
- https://static.usrfiles.com/ugd/b8c837_dc6dd03b97a1489d91a051f65fcee5ea.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6667/files/nifowevezo.pdf
- https://cdn.shopify.com/s/files/1/0432/4586/3067/files/vikuxonekifevizeri.pdf
- https://cdn.shopify.com/s/files/1/0435/1806/6842/files/wusamikuvofajixof.pdf
- https://cdn.shopify.com/s/files/1/0449/4403/1899/files/using_react_with_django_templates.pdf
- https://cdn.shopify.com/s/files/1/0430/0180/6997/files/pumusezaj.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_off000061ee.bin60eec6f2e6e1cf84a12272f0053ba052cc9fd5bb688263cb56dbd992de2a37c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61EE | 5444 bytes |
font_01_sfnt_off0000743c.bin4f3af7216e50a0b0fbc352111c4da3e4596246606a449a668b45b09d7e446cc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743C | 11060 bytes |
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