MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=4+digit+addition+with+regrouping+worksheets+pdf'. This suggests the document is designed to lure users to malicious sites. The ML classifier also strongly indicated maliciousness.
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=4+digit+addition+with+regrouping+worksheets+pdf
- http://files.coraleyletcher.com/uploads/1/3/1/3/131378921/kegavikex_fasoje_vodiredarumese_labesol.pdf
- http://files.quiltingshanty.com/uploads/1/3/0/9/130969364/rarekekiseni-rezusena.pdf
- http://files.therealestatestagingstudio.com/uploads/1/3/1/4/131407492/f9a287dd.pdf
- http://files.alwathiqdubai.com/uploads/1/3/1/0/131070149/856afd04d.pdf
- http://files.ejpendergraft.com/uploads/1/3/1/3/131379040/jugijap-mewidatunupina-zujaxifomidas-vuwobikanojix.pdf
- https://cdn.shopify.com/s/files/1/0437/8345/4871/files/41801363170.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/52185441442.pdf
- https://cdn.shopify.com/s/files/1/0437/6333/5326/files/95302572139.pdf
- https://cdn.shopify.com/s/files/1/0432/5366/1858/files/xotedoxuzogitavivik.pdf
- https://cdn.shopify.com/s/files/1/0432/0935/9520/files/sovurido.pdf
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/tuwoguwowotiniviwowexok.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.pdf
- https://cdn.shopify.com/s/files/1/0439/4264/1832/files/75602082117.pdf
- https://cdn.shopify.com/s/files/1/0437/5946/8701/files/kozatemukezebetebiloteruz.pdf
- https://cdn.shopify.com/s/files/1/0438/9021/3019/files/vuvaboritibabarevapafek.pdf
- https://cdn.shopify.com/s/files/1/0431/7259/3820/files/64304747936.pdf
- https://cdn.shopify.com/s/files/1/0430/0649/2823/files/lazodasifofemodipunu.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_off00006209.bin0413417bd90d51137202ac4a34ca61ab7e768e81dd2f589a545f540942c90300 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6209 | 5420 bytes |
font_01_sfnt_off0000748e.bin12313a01bba81139ea961e50029d17c83b3c2629a537155dc3e23e891400d4cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x748E | 10176 bytes |
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