MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains the string 'chopin ballade g minor pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated maliciousness.
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=chopin+ballade+g+minor+pdf
- http://files.kbzz.org/uploads/1/3/2/3/132302982/towolaki.pdf
- http://files.nyimafoundation.org/uploads/1/3/1/3/131381712/jadenezixirifepanove.pdf
- http://files.meaningfulmoadim.com/uploads/1/3/1/1/131164152/5157657.pdf
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/88924526421.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/livulotobalesuwevupuvem.pdf
- https://cdn.shopify.com/s/files/1/0431/1026/9085/files/40824330805.pdf
- https://cdn.shopify.com/s/files/1/0427/5381/8790/files/nejapom.pdf
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/lic_jeevan_lakshya_833.pdf
- https://cdn.shopify.com/s/files/1/0435/7783/5681/files/69974533299.pdf
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/35286614860.pdf
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/xegomi.pdf
- https://cdn.shopify.com/s/files/1/0433/6504/0282/files/61427301780.pdf
- https://cdn.shopify.com/s/files/1/0431/5404/7137/files/the_celta_course_trainee_book_vk.pdf
- https://cdn.shopify.com/s/files/1/0437/1329/8581/files/zejomugaruxut.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4703/files/67306319928.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_off0000840e.binaca37d6ea6c6301ae8ff15a64eb27c79b643612c17cff7db236790c026f7b404 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x840E | 5320 bytes |
font_01_sfnt_off000095f2.bin18b47bb2334b677ee117614947d5b5d93e228573bc764bd47e304808cf50592b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95F2 | 10012 bytes |
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