MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to academic papers. The presence of a PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing strongly suggests the intent is to redirect the user to malicious content. The ML classifier also flagged this PDF with high confidence.
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.com/pify?keyword=computational+and+algorithmic+thinking+past+papers+pdf
- http://files.manchestertrees.com/uploads/1/3/1/3/131380107/fazuxelexibabag.pdf
- http://files.bluebirdvignettes.com/uploads/1/3/0/8/130874128/e8df45f7cbfd6.pdf
- http://files.jessicamaryrobinson.com/uploads/1/3/1/8/131871648/9773068.pdf
- http://files.jessicamary
- https://cdn.shopify.com/s/files/1/0433/9911/9013/files/15777942124.pdf
- https://cdn.shopify.com/s/files/1/0429/8624/2209/files/ragopasi.pdf
- https://cdn.shopify.com/s/files/1/0434/6236/1245/files/6107648905.pdf
- https://cdn.shopify.com/s/files/1/0435/8311/1323/files/wajubakegajisorasajupako.pdf
- https://cdn.shopify.com/s/files/1/0434/9440/8352/files/85300940348.pdf
- https://cdn.shopify.com/s/files/1/0436/4389/5966/files/9737625497.pdf
- https://cdn.shopify.com/s/files/1/0434/1648/6040/files/xojij.pdf
- https://cdn.shopify.com/s/files/1/0434/5069/5830/files/13154011230.pdf
- https://cdn.shopify.com/s/files/1/0435/4431/4011/files/vufezivasofakavexikivu.pdf
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/bejenolomoxoposovoxafivi.pdf
- https://cdn.shopify.com/s/files/1/0432/9917/6612/files/86043957164.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/sipakirad.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.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_off00009b5c.binc403c8b0ae2194b280f09f222ef7de801d834dbb0240bdcb12c84456dd3d27a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B5C | 5536 bytes |
font_01_sfnt_off0000adfe.bine228ee6e1b246f481cb251e67c6536b3bfc674bfd5cecc7c1a5a26ba6a19aa49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADFE | 14872 bytes |
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