MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The document body contains a URL that appears to be a lure for 'Kumon math level i answer book pdf', suggesting a phishing or scam attempt. The presence of numerous embedded links, including one pointing to a known malicious redirector, strongly indicates an attempt to lead users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wix?keyword=kumon+math+level+i+answer+book+pdf
- http://ruzixel.tikicab.com/uploads/1/3/1/1/131164250/sijiwitevadiruleti.pdf
- http://xawevakow.krmcloughlin.com/uploads/1/3/0/7/130776553/f691bf0.pdf
- http://moxasozu.remycenard.com/uploads/1/3/2/8/132814930/nedojumutoxevoda.pdf
- http://files.gelardivineyard.com/uploads/1/3/0/7/130739084/mivalagibiro_gegedaxa_mibutijud_takerakiw.pdf
- http://zutato.burrenarchery.com/uploads/1/3/0/7/130775727/2cf57c818186.pdf
- https://2d09fda7-7be4-42f6-a4a1-9a89945ef877.filesusr.com/ugd/1f6d71_b215fbb4ab0f4469896922f1a3731674.pdf?index=true
- https://970e3f99-6083-47c6-9501-0bbcd63bd6cc.filesusr.com/ugd/6166c9_71f0bf4db6974590bb6b4990720fecfb.pdf?index=true
- https://2a1a596c-6db1-4088-8ea1-33bfdd57a1f5.filesusr.com/ugd/e23fbb_038758f12855415c98e475ae8a4398c2.pdf?index=true
- https://8ba6d507-1d0a-43c7-ae45-ecee33610579.filesusr.com/ugd/0af078_f32b04fad44e4be68e12f708deaa7e2e.pdf?index=true
- https://cdn.shopify.com/s/files/1/0433/7254/4150/files/keep_talking_and_nobody_explodes_free.pdf
- https://cdn.shopify.com/s/files/1/0429/7352/8223/files/29399296400.pdf
- https://cdn.shopify.com/s/files/1/0427/9874/3719/files/88884325719.pdf
- https://1c4a9a57-f2b2-41c7-b697-a7644bad60e9.filesusr.com/ugd/ca32a8_63c38f8e6281490589b8e4011be67701.pdf?index=true
- https://d2ef42aa-58dd-4908-9f29-5ea42e835691.filesusr.com/ugd/d7c203_39e5a07319fa404690ff8af21b9ca3c0.pdf?index=true
- 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_off00006842.binf94786f07d654dc1eb020e3b71116edc87c04bd21149aacf4377012b3d8ea587 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6842 | 5604 bytes |
font_01_sfnt_off00007b36.bin1493ad6b5a96b7b644ae3a3eae091b8acca7be51a9c0d13fe85df527d82a3b9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B36 | 12804 bytes |
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