MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains references to downloadable PDFs and the malicious URL, suggesting a lure to external content. 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.com/pify?keyword=spring+framework+black+book+pdf
- http://files.garjones.com.au/uploads/1/3/0/7/130739146/rinobuze_wujosugivu.pdf
- http://files.singularinsight.com/uploads/1/3/2/3/132302787/4827848.pdf
- http://files.oksirconnect.com/uploads/1/3/2/6/132695836/7137915.pdf
- http://komun.viva-musica.co.uk/uploads/1/3/0/7/130776485/a2902d21e7f44.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9431/9009/files/69736858148.pdf
- https://cdn.shopify.com/s/files/1/0434/6891/4838/files/31046347102.pdf
- https://cdn.shopify.com/s/files/1/0428/0755/8310/files/80845691137.pdf
- https://cdn.shopify.com/s/files/1/0433/9751/3381/files/81882540904.pdf
- https://cdn.shopify.com/s/files/1/0429/3463/2607/files/66198950952.pdf
- https://cdn.shopify.com/s/files/1/0441/3505/5512/files/pengertian_bilangan_biner.pdf
- https://cdn.shopify.com/s/files/1/0435/2868/3672/files/arduino_string_array.pdf
- https://cdn.shopify.com/s/files/1/0430/1458/6517/files/lexopabevaroxunisevepon.pdf
- https://cdn.shopify.com/s/files/1/0433/7162/6659/files/82252113415.pdf
- https://cdn.shopify.com/s/files/1/0431/9408/9635/files/98290284804.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/14158949671.pdf
- https://cdn.shopify.com/s/files/1/0431/4438/0578/files/sufejogadagarala.pdf
- https://cdn.shopify.com/s/files/1/0433/7182/3262/files/gesufifivezolu.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_off00006478.bin38154980fa3ac7137ee39b279c14575c9deac0789fb149999c5e2ac4710ae780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6478 | 5696 bytes |
font_01_sfnt_off000077d8.bin433fa40675f0366410a44b568da7ce570a34ccd372b464bd14924d4faf0aed22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77D8 | 10156 bytes |
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