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 URL. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
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/wix?keyword=the+powerscore+lsat+logical+reasoning+bible+workbook
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/1f2646_a198fb4ce6be4b38a5582abc58ec7a40.pdf
- https://static.usrfiles.com/ugd/b8c837_c080850913a1470aabe575ec17ed4d95.pdf
- https://static.usrfiles.com/ugd/89c6ad_d987256fe9664035a9e9b69ae3da4297.pdf
- https://static.usrfiles.com/ugd/b7ed05_65caa08b0cbb4bdb8ab49672cdfc5cc9.pdf
- https://static.usrfiles.com/ugd/01e791_c9d36df8097e498582981cbb85099fbb.pdf
- https://static.usrfiles.com/ugd/b8c837_0b1a0131686e46e4a3684d376a4be5a1.pdf
- https://cdn.shopify.com/s/files/1/0462/7959/0048/files/final_fantasy_iv_after_years_band_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/introduction_to_business_management_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7967/9656/files/97832117312.pdf
- https://cdn.shopify.com/s/files/1/0432/6090/3582/files/gutovisir.pdf
- https://cdn.shopify.com/s/files/1/0433/6284/4837/files/apache_poi_to_html.pdf
- https://cdn.shopify.com/s/files/1/0431/0931/8813/files/vijaxuj.pdf
- https://cdn.shopify.com/s/files/1/0429/5517/8150/files/vimorewobula.pdf
- https://cdn.shopify.com/s/files/1/0433/3184/6296/files/beporerusowemubo.pdf
- https://cdn.shopify.com/s/files/1/0435/4280/6680/files/jedojitov.pdf
- https://cdn.shopify.com/s/files/1/0436/8554/4089/files/69904243598.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_off00006688.bin4e34b05b80e2ea4d2a5e47ad89ab17a30ef6449421c40f3ab37f5d2d86e44369 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6688 | 5440 bytes |
font_01_sfnt_off00007917.bin08d40b1fe78f90b4882e2f3d1a0f89bde411f6a612efcaee49ec14202d332f49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7917 | 10440 bytes |
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