MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm with numerous embedded URLs, many of which point to external PDF files. One critical heuristic firing indicates a link to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though partially garbled, contains text related to data analysis and research, likely serving as a lure. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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.cc/pify?keyword=analise+e+interpreta%25C3%25A7%25C3%25A3o+de+dados+em+projeto+de+pesquisa+pdf
- http://files.jlsexteriorcleaning.com/uploads/1/3/0/7/130740191/januzajumomegape.pdf
- http://pebofador.premiertags.uk/uploads/1/3/1/4/131453109/xuzupisoxaba_jepog_xusezakija.pdf
- http://files.shinechiro.com/uploads/1/3/0/7/130740138/0f0e8be8b47775.pdf
- http://files.jasonandclaire.com/uploads/1/3/2/7/132740925/5118873.pdf
- https://cdn.shopify.com/s/files/1/0431/3976/0285/files/air_pollution_mini_project.pdf
- https://cdn.shopify.com/s/files/1/0436/3301/6982/files/21233901153.pdf
- https://cdn.shopify.com/s/files/1/0436/7217/4745/files/28166244139.pdf
- https://cdn.shopify.com/s/files/1/0435/5555/3432/files/2083007553.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/53711447729.pdf
- https://cdn.shopify.com/s/files/1/0438/2271/0941/files/nusupolakizapapawapa.pdf
- https://cdn.shopify.com/s/files/1/0438/1714/0386/files/nvalid_request_authentication_expired.pdf
- https://cdn.shopify.com/s/files/1/0436/3105/0905/files/af_1206.pdf
- https://cdn.shopify.com/s/files/1/0438/2123/6386/files/your_life_after_death.pdf
- https://cdn.shopify.com/s/files/1/0447/1917/7882/files/definition_of_economic_development.pdf
- https://cdn.shopify.com/s/files/1/0441/4128/1432/files/cs50_speller_solution.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_off000069c0.bin750bdda33404e8db9149b515d143c5b3d423e672e77d1fa22586c92cc8244f76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C0 | 5880 bytes |
font_01_sfnt_off00007d1b.bin30caf84909663d89c5f9d8ea4bebe59c97bdc928fe9216584a0f771510e01343 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D1B | 11924 bytes |
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