MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic. The presence of numerous other links to Shopify-hosted PDFs suggests a link farm or SEO poisoning tactic to disguise the malicious intent. No scripts were extracted from this sample.
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.ru/wix?keyword=thermaltake+tr2+430w+manual
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/difference_between_counseling_and_therapy.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2682/files/memagojufibasadu.pdf
- https://cdn.shopify.com/s/files/1/0428/2040/3356/files/fundamentals_of_communication_engineering.pdf
- https://cdn.shopify.com/s/files/1/0433/8168/6437/files/99920367068.pdf
- https://static.usrfiles.com/ugd/d162e3_bd6916da91d148468cefc907df771a59.pdf
- https://static.usrfiles.com/ugd/b8c837_f63b7dda1d4145da991c40674ec6acab.pdf
- https://cdn.shopify.com/s/files/1/0438/3699/7792/files/34475243166.pdf
- https://cdn.shopify.com/s/files/1/0431/8062/1985/files/wulikijugizolosoxi.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5098/files/xesimitepusubex.pdf
- https://cdn.shopify.com/s/files/1/0432/3305/0779/files/28445546630.pdf
- https://cdn.shopify.com/s/files/1/0434/5911/7222/files/jupyter_notebook_cheat_sheet_windows.pdf
- https://cdn.shopify.com/s/files/1/0433/2827/4587/files/jamelugezazubaf.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_off000049bf.bin5b84d3175938f90f1e228ff3f309c1cefcbff56d9124a7dff8662f7909eecc49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x49BF | 5376 bytes |
font_01_sfnt_off00005bf9.bin0fd11cd014ea7254a39b6ed13d4aef89453d40db96963f11c45cb0c5e5164864 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF9 | 10240 bytes |
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