MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains numerous links, many pointing to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.ru). The document body, though heavily obfuscated, contains the same lure text as the malicious URL, suggesting a phishing attempt. The ML classifier also flagged this PDF with high confidence. The primary attack pattern involves luring the user to click a malicious link disguised as a book download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=introducing+phonetics+and+phonology+3rd+edition+pdf
- http://files.musicgifts4u.com/uploads/1/3/2/7/132712326/2ca946.pdf
- http://dalan.ckylibrary.org/uploads/1/3/2/3/132303382/4189514bdb0411b.pdf
- http://files.organizingwithemily.com/uploads/1/3/2/3/132302998/c0d0c47aa9.pdf
- http://pobiru.cottonshed.co.uk/uploads/1/3/0/7/130739777/wawetamanuxinijuxo.pdf
- https://cdn.shopify.com/s/files/1/0432/2613/6731/files/zuzus.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73633131036.pdf
- https://cdn.shopify.com/s/files/1/0434/1760/0157/files/52447555837.pdf
- https://cdn.shopify.com/s/files/1/0432/8210/4478/files/xegib.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdf
- https://cdn.shopify.com/s/files/1/0440/5886/9910/files/nurejavutovonamavuxom.pdf
- https://cdn.shopify.com/s/files/1/0438/6213/0848/files/17458594819.pdf
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/jquery_download.pdf
- https://cdn.shopify.com/s/files/1/0428/7542/0835/files/91155781862.pdf
- https://cdn.shopify.com/s/files/1/0432/9000/1572/files/refegafiko.pdf
- https://cdn.shopify.com/s/files/1/0428/7807/5036/files/kikofuge.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3800/files/72859388806.pdf
- https://cdn.shopify.com/s/files/1/0448/2839/3634/files/thinking_out_loud_chords_piano.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000658e.bin9889c9fcebb45910f416528b74642f6959dcb68d3e491e3bc20433c876069a93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x658E | 7548 bytes |
font_01_sfnt_off00007e86.bin704e9e59d779b3af26547b8d8e375993da1e56a18cd3636847e20461948298ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E86 | 5620 bytes |
font_02_sfnt_off000091a8.bin490e345c30732f9eb0a83fd8df6382889f510ab2c30205dffef49d2cc3f5fcff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91A8 | 10124 bytes |
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