MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a Dell specification sheet. It also hosts a large number of external PDF links, many of which point to unknown or potentially malicious domains, suggesting a link farm or distribution network. 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=dell+precision+5820+spec+sheet
- http://files.americanaef.org/uploads/1/3/1/3/131380618/muxodejofidadox.pdf
- http://wunevaw.airwreckkazillion.com/uploads/1/3/0/8/130814017/kufovuzubiluj-jumupop.pdf
- http://files.hinisha.com/uploads/1/3/1/0/131070178/d39c8c.pdf
- http://files.protectparkofkeir.com/uploads/1/3/2/6/132695525/zuxigaregu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3969/4741/files/ameritrade_ira_terms_of_withdrawal.pdf
- https://cdn.shopify.com/s/files/1/0438/7792/5019/files/appalachian_trail_packing_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/9041/0658/files/algebra_solving.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/909040323.pdf
- https://cdn.shopify.com/s/files/1/0436/1152/1187/files/60033471055.pdf
- https://cdn.shopify.com/s/files/1/0431/0486/2374/files/jidar.pdf
- https://cdn.shopify.com/s/files/1/0437/9977/3341/files/brother_printer_drivers_dcp-_t510w.pdf
- https://cdn.shopify.com/s/files/1/0435/5814/2120/files/methanol_water_distillation_column_design.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/examkrackers_1001_questions_mcat_biology.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_off0000a005.bin9673bca6c18290456ad5314070182f89b1ab5c5f9dfcc74fafcd25aa867413b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA005 | 5404 bytes |
font_01_sfnt_off0000b26a.bin6443d9a35e7a2d9f83a3e48ec0e2076b494afa081b3db20d87601c0ec7f835ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB26A | 10560 bytes |
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