MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to lure victims. The primary malicious URL identified is https://ttraff.ru/pify?keyword=calcination+definition+pdf.
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=calcination+definition+pdf
- http://vujaz.rickkeyesmusiccaravan.com/uploads/1/3/1/4/131453215/fatuwituvonim.pdf
- http://files.themakeandcreateshop.co.uk/uploads/1/3/2/7/132740756/rawafifiz.pdf
- http://kipux.collegedreamsconsulting.com/uploads/1/3/1/4/131406535/9eacbaffa643065.pdf
- http://files.amorehairdesign.com/uploads/1/3/1/8/131857117/3506377.pdf
- http://files.anglia.nl/uploads/1/3/0/7/130739415/7c07c53.pdf
- https://cdn.shopify.com/s/files/1/0433/0432/1184/files/associated_press_stylebook_download.pdf
- https://cdn.shopify.com/s/files/1/0437/8548/6485/files/99111070550.pdf
- https://cdn.shopify.com/s/files/1/0438/5298/8566/files/puxoteb.pdf
- https://cdn.shopify.com/s/files/1/0431/6135/4389/files/32716139715.pdf
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/34394450817.pdf
- https://cdn.shopify.com/s/files/1/0439/3605/5454/files/races_of_the_wild_3._5.pdf
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/saxexawonasep.pdf
- https://cdn.shopify.com/s/files/1/0434/6524/4832/files/76120056210.pdf
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/hitman_a_technical_manual_for_independent_contractors.pdf
- https://cdn.shopify.com/s/files/1/0432/5202/3458/files/rupofo.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/caresource_ky_appeal_form.pdf
- https://cdn.shopify.com/s/files/1/0429/5809/4495/files/paint_tool_sai_brushes_download.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_off000064ff.bin2ce6dc7d891c1a8c87167b3b2f4dae4271f81f838631154236e71f047bc6dda7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64FF | 4688 bytes |
font_01_sfnt_off000074fc.bin12e639c6a715738ca8cdff76c643a24d655ac1a60d24332636a72bdb9d368f50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74FC | 10480 bytes |
font_02_sfnt_off000098b9.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98B9 | 4324 bytes |
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