MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by a machine learning model and heuristics indicating malicious redirection and a link farm. It contains numerous embedded URLs, with a critical finding pointing to a known malicious redirector at 'ttraff.ru'. The document body is heavily obfuscated, but the presence of a large number of external links suggests a delivery mechanism for further malicious content.
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=movies++telugu+wap
- http://files.midwifeaddison.com/uploads/1/3/1/8/131856166/lixenufadoxugu_raxikilo.pdf
- http://files.shannondrhodes.com/uploads/1/3/0/8/130873907/1944747.pdf
- http://files.ameritexservices.com/uploads/1/3/2/6/132695995/633872.pdf
- http://files.furnaceproject.org/uploads/1/3/1/4/131409693/lodazeruxazaj.pdf
- https://cdn.shopify.com/s/files/1/0432/3934/2248/files/xilaxitiwiluzeful.pdf
- https://cdn.shopify.com/s/files/1/0435/2131/0880/files/buxararila.pdf
- https://cdn.shopify.com/s/files/1/0432/0703/2990/files/10651254332.pdf
- https://cdn.shopify.com/s/files/1/0437/0379/5877/files/64239907720.pdf
- https://cdn.shopify.com/s/files/1/0437/3194/3585/files/jigupubagor.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/buxidumex.pdf
- https://cdn.shopify.com/s/files/1/0430/3699/9833/files/dexawonetenukavivuxajuno.pdf
- https://cdn.shopify.com/s/files/1/0432/0319/9136/files/77253999407.pdf
- https://cdn.shopify.com/s/files/1/0429/7405/2503/files/52875358303.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3444/files/79357380505.pdf
- https://cdn.shopify.com/s/files/1/0432/6529/4504/files/86069997134.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdf
- https://cdn.shopify.com/s/files/1/0432/2269/6098/files/65938708685.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000718d.bind64c94f80c31b414ed909984287aa652401a34db6dfcc2c8d3c7345d7348e325 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718D | 4824 bytes |
font_01_sfnt_off00008227.bin2ccfbf49494a3fb3e5ae883be0cef2900ae25b4a3d240a219289a02f6b74df3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8227 | 9872 bytes |
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