MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link that leads to a PDF link farm, as indicated by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL, which is designed to funnel users to a collection of other PDF links, likely for SEO manipulation or further malicious redirection.
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=makedonsko+devojce+sheet+music
- http://files.innovativelearningservices.com/uploads/1/3/0/7/130775866/2e518f64d.pdf
- http://files.globaltimberinc.com/uploads/1/3/1/4/131438397/eea54716c8a1c.pdf
- https://cdn.shopify.com/s/files/1/0436/9717/6741/files/ccna_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0435/8776/4387/files/16425920877.pdf
- https://cdn.shopify.com/s/files/1/0439/4654/1211/files/zupobo.pdf
- https://cdn.shopify.com/s/files/1/0433/8896/0919/files/rojoxusuzumufiwititumorix.pdf
- https://cdn.shopify.com/s/files/1/0433/8014/6339/files/vebobimenifudemilunega.pdf
- https://cdn.shopify.com/s/files/1/0435/8442/2051/files/sophocles_antigone_fagles.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49893706483.pdf
- https://cdn.shopify.com/s/files/1/0437/1916/4058/files/97775077308.pdf
- https://cdn.shopify.com/s/files/1/0435/3127/2346/files/39641673369.pdf
- https://cdn.shopify.com/s/files/1/0440/7744/9366/files/wow_classic_deadmire.pdf
- https://cdn.shopify.com/s/files/1/0429/9833/3599/files/excel_formulas_with_examples_in_excel_sheet.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_off000050e6.binc2d9080840a052e4a914ac1930a39f121e1fbf7011d1be30e0b2da7739da0be0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50E6 | 5256 bytes |
font_01_sfnt_off000062b3.bin039103cd5c13c9455649b05d1730ae2924c595df7d4a6133cd18c99230fd6368 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B3 | 14748 bytes |
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