MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a link farm and a malicious redirector URL, suggesting it is designed to lead users to potentially harmful content. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for free sheet music. The ML classifier strongly indicates 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=moonlight+serenade+piano+sheet+music+free
- http://files.rosalindmbunting.com/uploads/1/3/1/4/131452861/rakuzumagevilo_wamuxodubuk.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/1063/7476/files/49895715708.pdf
- https://cdn.shopify.com/s/files/1/0438/1402/7421/files/48471373930.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9445/files/20110751399.pdf
- https://cdn.shopify.com/s/files/1/0434/7461/6472/files/antimicoticos_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/3157/6231/files/wetherspoons_vegan_menu.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3920/files/classic_hunter_pre_raid_bis.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/zixikiboraxi.pdf
- https://cdn.shopify.com/s/files/1/0435/9307/2808/files/pekedomaduniraduvosag.pdf
- https://cdn.shopify.com/s/files/1/0440/5349/5958/files/wuxere.pdf
- https://cdn.shopify.com/s/files/1/0435/1574/0312/files/57606441263.pdf
- https://cdn.shopify.com/s/files/1/0436/1653/4685/files/5131347048.pdf
- https://cdn.shopify.com/s/files/1/0438/3493/3408/files/bismuth_iodoform_paraffin_paste_dry_socket.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_off0000985d.bin314314604fb3cf22b56c537fc6ba302e47de21bc740891ccbb92cc9c9c4cfb26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x985D | 5456 bytes |
font_01_sfnt_off0000aac7.bin8e9b7864c87de7b7d69f1d87082774abca9487bedc89a7382e6f6bca5bce86dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAC7 | 10856 bytes |
font_02_sfnt_off0000cfe1.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE1 | 4324 bytes |
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