MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body itself is largely obfuscated but contains the URL 'https://ttraff.cc/pify?keyword=ceiba+2+software', which is likely used to redirect users to a malicious site. The presence of a large link farm suggests an attempt to game search engine results or distribute malicious content through numerous indirect paths.
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=ceiba+2+software
- http://lijup.jianghuproductions.com/uploads/1/3/2/6/132695203/7813047.pdf
- http://zudejuv.supersportsgifts.com/uploads/1/3/1/8/131857334/7781262.pdf
- http://files.alphaledspa.com/uploads/1/3/0/7/130776745/filijowuwitakud.pdf
- http://files.cefmarionfl.com/uploads/1/3/2/7/132740804/421aeaf8a39c.pdf
- http://gaxobo.sacredspiritualalchemy.com/uploads/1/3/2/6/132681579/9333665.pdf
- https://cdn.shopify.com/s/files/1/0430/6960/4001/files/fawitaxitidokalupa.pdf
- https://cdn.shopify.com/s/files/1/0430/4856/6941/files/plant_biotechnology_reports_abbreviation.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/66805070523.pdf
- https://cdn.shopify.com/s/files/1/0433/5098/2821/files/48824543858.pdf
- https://cdn.shopify.com/s/files/1/0434/9083/6645/files/39486656952.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/68788781319.pdf
- https://cdn.shopify.com/s/files/1/0427/8432/5798/files/fanurigax.pdf
- https://cdn.shopify.com/s/files/1/0433/1434/8197/files/45469718763.pdf
- https://cdn.shopify.com/s/files/1/0466/3079/7477/files/44939083393.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_off0000507c.bin71cc982d1f809bb69c8d07a1a4503b1183d471c25e854cbc5e429eec0aa23a65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x507C | 5000 bytes |
font_01_sfnt_off00006195.bin16df3f9029912a76fd6f61c3652715c8bdff8d20598ff5a7bfa0bab2ebf59a03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6195 | 9996 bytes |
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