MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational content, likely to mask the malicious intent. The presence of a malicious redirector and a large number of external links suggests an attempt to drive traffic to potentially harmful sites.
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.link/123?keyword=northstar+5+listening+and+speaking+4th+edition+pdf
- https://cdn-cms.f-static.net/uploads/4384483/normal_5f8f30a91b248.pdf
- https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/9947158b656.pdf
- https://forunevelaviwa.weebly.com/uploads/1/3/4/3/134392474/9639876.pdf
- https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/2f60eef35.pdf
- https://cdn-cms.f-static.net/uploads/4365607/normal_5f8723ef9bb70.pdf
- https://cdn-cms.f-static.net/uploads/4371020/normal_5f88434c91b00.pdf
- https://cdn-cms.f-static.net/uploads/4368748/normal_5f8884ed76565.pdf
- https://cdn-cms.f-static.net/uploads/4367007/normal_5f879e9239125.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3464/7445/files/positive_aspects_of_volcanoes.pdf
- https://cdn.shopify.com/s/files/1/0482/3508/5978/files/vizupaz.pdf
- https://cdn.shopify.com/s/files/1/0434/0314/9479/files/wiguzuniloteza.pdf
- https://s3.amazonaws.com/fasanag/ramasalad.pdf
- https://s3.amazonaws.com/felasorarabipis/counting_worksheets_for_kindergarten_1-_20.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005669.bin750d1396ea0bf5fbbfb1efa7800930e25a2e400cebbc542b316d66b1e2c172b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5669 | 3120 bytes |
font_01_sfnt_off0000619e.bin25642031b7b90ab99474f72b1cfe5400ad41bb6e1c13c535478d066aabea2187 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619E | 5548 bytes |
font_02_sfnt_off00007484.bin676019b6aa520ce7d00afcaa47d971ec650235e050a4decec77928fc66f3cacc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7484 | 14636 bytes |
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