MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.ru). The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external content. The presence of numerous other links to Shopify-hosted PDFs indicates a link farm strategy, likely to improve SEO or distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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=southwest+asia+physical+features+worksheet
- http://files.leusia.com/uploads/1/3/0/8/130874204/c628499c56145.pdf
- https://cdn.shopify.com/s/files/1/0435/7016/7967/files/discord_server_folder.pdf
- https://cdn.shopify.com/s/files/1/0433/5999/4014/files/physiology_of_hearing_and_equilibrium.pdf
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/etiology_of_type_1_diabetes_mellitus.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/17329419412.pdf
- https://cdn.shopify.com/s/files/1/0440/5772/3030/files/zero_acceptance_number_sampling_plans.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4008/files/autocad_2020_drawing_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/4704/2728/files/12548832103.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/25040020497.pdf
- https://cdn.shopify.com/s/files/1/0429/0704/1958/files/nowiwilubob.pdf
- https://cdn.shopify.com/s/files/1/0429/3053/6614/files/t-_iv_transmission_fluid_autozone.pdf
- https://cdn.shopify.com/s/files/1/0433/0110/9920/files/28490297008.pdf
- https://cdn.shopify.com/s/files/1/0440/8901/6472/files/13894654011.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_off00005ab4.bin6ae4081dab904ec703a00aee5264cd2f09cb6be7ae3ca5c6562d9bd51e804818 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AB4 | 5464 bytes |
font_01_sfnt_off00006d5d.binf1b5a9d48943fd06e8673d8f77244dbf2f7cd516b1b736dbdfc4b8c77c76ea6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D5D | 10056 bytes |
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