MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains multiple embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'kazoo kid sheet music' and includes the malicious URL. The presence of numerous external links, many pointing to Shopify PDFs, suggests a link farm or SEO poisoning tactic to increase visibility and drive traffic to malicious sites.
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.com/pify?keyword=kazoo+kid+sheet+music
- http://zemox.icarusdesigns.com/uploads/1/3/0/7/130776433/fubag-kujipoviv-zijuf-loseru.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4764/0469/files/55752442695.pdf
- https://cdn.shopify.com/s/files/1/0437/8863/2213/files/is_it_worth_having_a_vpn.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/5702303884.pdf
- https://cdn.shopify.com/s/files/1/0430/7540/3929/files/niziwekugovosutaxor.pdf
- https://cdn.shopify.com/s/files/1/0428/0877/0726/files/rapil.pdf
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/cnn_us_tv_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/9408/1687/files/almost_is_never_enough_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0433/8289/8840/files/remejutosatapotobiravu.pdf
- https://cdn.shopify.com/s/files/1/0428/2767/7852/files/wedobijugado.pdf
- https://cdn.shopify.com/s/files/1/0465/0831/0678/files/advance_tax_challan_280_in_excel.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejukimuvili.pdf
- https://cdn.shopify.com/s/files/1/0435/5499/6383/files/approaches_to_educational_planning.pdf
- https://cdn.shopify.com/s/files/1/0434/6619/5106/files/lodolutivimuxuduzesid.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_off00004516.bind58ec8dee41403758fbfee82c12a852b83aab7ffbbf4d3bba15173560f5cc030 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4516 | 5136 bytes |
font_01_sfnt_off00005671.bin943e6f5b17d400fb0b184d30cae9571065eb11384286ba5d17a82cb351cfe1a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5671 | 9828 bytes |
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