MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'piano music' and application metadata, suggesting a lure. The presence of numerous external links, including a link farm hosted on Shopify, indicates a likely attempt to redirect users to malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=best+relaxing+piano+music
- http://files.tnttoday.org/uploads/1/3/1/3/131383462/nixaxoxafobigo.pdf
- http://files.michaelbradleyatty.com/uploads/1/3/1/3/131379246/8737607.pdf
- http://files.hellovetmed.com/uploads/1/3/0/7/130775286/funajujijal.pdf
- http://files.westernwilcodemsclub.com/uploads/1/3/1/3/131379266/joteridarazupo_pivumujejukuxax_sumoxojuxegivun.pdf
- http://files.westernwi
- https://cdn.shopify.com/s/files/1/0435/3510/6200/files/rarikoxifilale.pdf
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/potapafiledebosulexi.pdf
- https://cdn.shopify.com/s/files/1/0431/7832/8221/files/85372369981.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8487/files/79521361972.pdf
- https://cdn.shopify.com/s/files/1/0431/1551/1968/files/38045053330.pdf
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/vumetubiju.pdf
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/wefesuzoligubuvam.pdf
- https://cdn.shopify.com/s/files/1/0433/2158/9913/files/pedavarukode.pdf
- https://cdn.shopify.com/s/files/1/0434/9542/4165/files/17303774411.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/dudivokosujaruzijuf.pdf
- https://cdn.shopify.com/s/files/1/0439/1786/9211/files/jarelenipofajaxe.pdf
- https://cdn.shopify.com/s/files/1/0440/5500/3286/files/8218917909.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_off00005bac.bin7ffcd6d96fc941301cb2a578168e748b4e4d6e81218a2ccab1c99b80ff924d16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BAC | 5252 bytes |
font_01_sfnt_off00006d77.bin5241d7ad8fcf8e055ce60b8bc631d13a952bd70a9e48035a8ccdd9de8a26a2f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D77 | 10008 bytes |
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