MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to potentially malicious redirectors or link farms. The document body, though partially corrupted, includes text related to sales performance and the URL 'https://ttraff.ru/pify?keyword=alta+performance+em+vendas+senac', suggesting a lure to a malicious site. The ML classifier strongly indicated maliciousness.
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=alta+performance+em+vendas+senac
- http://kijejonus.overtonjctms.com/uploads/1/3/2/6/132682076/e38825545b260.pdf
- http://files.fireguardms.com/uploads/1/3/1/4/131438071/8762181.pdf
- https://cdn.shopify.com/s/files/1/0439/4683/6123/files/wibavakawatunesovutabej.pdf
- https://cdn.shopify.com/s/files/1/0433/8660/1635/files/egyptian_colloquial_arabic_verbs.pdf
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/19707564103.pdf
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/guwoxevumojovadanagekazuv.pdf
- https://cdn.shopify.com/s/files/1/0432/5320/3104/files/wafabuvopevifajuw.pdf
- https://cdn.shopify.com/s/files/1/0428/2282/8198/files/4189618339.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2279/files/52730830949.pdf
- https://cdn.shopify.com/s/files/1/0437/9030/3381/files/beaufort_wind_scale.pdf
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/thermal_and_automobile_engineering_book_download.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/32439007671.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c3f.bin967f2e26c3c18eb4494e344ff632ffa6cae177e4b41e3546b762bd4996f6a1dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3F | 5088 bytes |
font_01_sfnt_off00006d72.bin8f26fbf5e0def59b92f01d3b46082b5c7a45f8f9ad58fc374fa8ac11fa0b3581 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D72 | 12356 bytes |
font_02_sfnt_off000092c3.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92C3 | 4324 bytes |
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