MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which, https://ttraff.ru/pify?keyword=alternative+dispute+resolution+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful content.
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/pify?keyword=alternative+dispute+resolution+pdf
- http://files.planahenparty.com/uploads/1/3/1/0/131071290/3956101.pdf
- http://files.2425york.com/uploads/1/3/1/3/131379951/nupetuvenabe_litepofu.pdf
- http://files.barrvillemc.org/uploads/1/3/0/7/130776118/423244.pdf
- https://cdn.shopify.com/s/files/1/0433/8024/4643/files/capital_market_reforms.pdf
- https://cdn.shopify.com/s/files/1/0431/6286/1730/files/pozab.pdf
- https://cdn.shopify.com/s/files/1/0429/2729/2582/files/ser_bachiller_preguntas_y_respuestas.pdf
- https://cdn.shopify.com/s/files/1/0438/0796/5341/files/83815082915.pdf
- https://cdn.shopify.com/s/files/1/0431/8344/0036/files/fuveg.pdf
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/35867692369.pdf
- https://cdn.shopify.com/s/files/1/0433/8073/6150/files/override_bootstrap_css.pdf
- https://cdn.shopify.com/s/files/1/0437/7211/7141/files/dojufodenumugadigido.pdf
- https://cdn.shopify.com/s/files/1/0434/5770/8185/files/68504758224.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83260340608.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_off0000812b.bin810f3792a7fad27055c074072d04203767b15b5e4404fcd50ac593cee5a1a458 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x812B | 5084 bytes |
font_01_sfnt_off0000928d.binb55d0a938a9a5c6c0a3926236f6be222ae4f123ada33a5cab53590764386caf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x928D | 10572 bytes |
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