MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=trumpet+ensemble+music+pdf', is flagged as a malicious redirector. The document also features a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, supporting the classification of this PDF as a malicious redirector.
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=trumpet+ensemble+music+pdf
- http://fubuju.qyu.ca/uploads/1/3/1/4/131406686/jirifokate.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0351/8882/files/kadaxexuradedivobagu.pdf
- https://cdn.shopify.com/s/files/1/0432/5025/3992/files/sadozovijizonuzuxex.pdf
- https://cdn.shopify.com/s/files/1/0440/6683/2534/files/zonivumuxaxafepu.pdf
- https://cdn.shopify.com/s/files/1/0429/3342/0199/files/xipemawokizeximonifof.pdf
- https://cdn.shopify.com/s/files/1/0430/8389/0850/files/blender_2._78c_64_bit.pdf
- https://cdn.shopify.com/s/files/1/0433/6081/3208/files/nuketugumag.pdf
- https://cdn.shopify.com/s/files/1/0438/3070/6333/files/appvn_apk_latest_version_uptodown.pdf
- https://cdn.shopify.com/s/files/1/0428/8151/5673/files/ac_manifold_gauge_set_r410a.pdf
- https://cdn.shopify.com/s/files/1/0432/9072/2454/files/34789341006.pdf
- https://cdn.shopify.com/s/files/1/0452/3737/1040/files/32397484760.pdf
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/lesatawuguf.pdf
- https://cdn.shopify.com/s/files/1/0434/5335/0053/files/57836430562.pdf
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/the_theoretical_minimum_susskind_download.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_off00007c62.bin43da3bcbe9f45f735ed08d916085d248833264e9fa8ea4329a7525b7bab5e215 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C62 | 5180 bytes |
font_01_sfnt_off00008dda.bina8cc8c447bce6a7798d4d580b3a664fc582cf5d044f3029c85634de509bcdff7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DDA | 10076 bytes |
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