MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that appears to be part of a link farm designed to attract users searching for specific content. The ML classifier strongly indicates maliciousness, and the embedded links are a clear indicator of a phishing or redirection attempt.
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=the+beatles+let+it+be+sheet+music+pdf
- http://zabokig.stoddardcountyhistory.com/uploads/1/3/0/8/130814124/kujaseji.pdf
- http://files.lockmangenetics.com/uploads/1/3/0/7/130775383/nizejab.pdf
- http://files.theplatinumbutton.com/uploads/1/3/2/7/132712306/lasojimuk.pdf
- http://files.phyzarre.com/uploads/1/3/0/7/130776272/6886123.pdf
- http://files.maccabbeebushcraft.com/uploads/1/3/0/7/130775645/1883830.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/4500/1115/files/pathfinder_wizard_spell_list.pdf
- https://cdn.shopify.com/s/files/1/0432/1984/5278/files/hatteras_harbor_fishing_report.pdf
- https://cdn.shopify.com/s/files/1/0429/8860/1503/files/starting_business_plan.pdf
- https://cdn.shopify.com/s/files/1/0432/5657/8212/files/5649728322.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6278/files/bessemer_furnace.pdf
- https://cdn.shopify.com/s/files/1/0433/0792/5654/files/76421279202.pdf
- https://cdn.shopify.com/s/files/1/0431/0722/1658/files/58240260432.pdf
- https://cdn.shopify.com/s/files/1/0430/7258/5888/files/cell_cycle_regulation_pogil.pdf
- https://cdn.shopify.com/s/files/1/0435/9464/5672/files/91924104726.pdf
- https://cdn.shopify.com/s/files/1/0438/1822/1728/files/tasoxozufokikafupudaxu.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2836/files/golare.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_off000063a2.binb8d116266219a9ac9f711b711c85d2b923111ed77ed603966e9c00959583d8c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A2 | 5388 bytes |
font_01_sfnt_off000075ca.bin4075ff425999683d0a0802ea910f1ab2a1cfc41aebd7899736884fa3d3f5c07a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75CA | 10504 bytes |
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