MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple heuristics indicating it links to known malicious redirector infrastructure and is part of a link farm designed for SEO manipulation. The primary URL identified, 'https://ttraff.ru/wb?keyword=lector%20de%20pdf%20ultra%20ligero%20', is flagged as malicious. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, and the document body was unreadable, but the URL and heuristic findings are sufficient to determine the malicious intent.
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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External URI info PDF_URIPDF contains an external URL action
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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/wb?keyword=lector%20de%20pdf%20ultra%20ligero%20\(adobe%20reader%20lite\
- http://files.eaplab.eu/uploads/1/3/0/7/130740127/2255032.pdf
- http://files.lexroulor.com/uploads/1/3/2/7/132710776/97aaa103b225.pdf
- http://files.ivanbavcevic.com/uploads/1/3/2/6/132696512/7ea1fd4b4.pdf
- http://files.mirtecsignage.com/uploads/1/3/0/7/130776001/rerako.pdf
- http://files.getsolution.ca/uploads/1/3/0/7/130739222/2f991b.pdf
- http://files.jroennau.com/uploads/1/3/1/4/131438423/066416dd88.pdf
- http://files.jamiescrew22.org/uploads/1/3/2/8/132815181/libubusozenu.pdf
- http://files.wolfetonesboston.com/uploads/1/3/0/9/130969553/bojijeto_fefimopesogod.pdf
- http://files.saltysirentradingco.org/uploads/1/3/1/3/131379039/5377148.pdf
- https://jebopabenudu.files.wordpress.com/2020/06/51523057868.pdf
- https://xobodisupoka.files.wordpress.com/2020/07/vakumezum.pdf
- https://zubijunemovo.files.wordpress.com/2020/06/vagugevedunowojute.pdf
- https://kalateti.files.wordpress.com/2020/07/11872052978.pdf
- https://rotanafipiso.files.wordpress.com/2020/07/17080841518.pdf
- https://cdn.shopify.com/s/files/1/0428/0877/0726/files/7444788903.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80804151078.pdf
- https://cdn.shopify.com/s/files/1/0433/1631/4277/files/taragujubikasidanosa.pdf
- https://cdn.shopify.com/s/files/1/0433/5557/0341/files/36612081055.pdf
- https://cdn.shopify.com/s/files/1/0434/0776/9750/files/situginiba.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.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_off00007ddc.bin71cfd3d9c85fbe53409a18baa4fedaab143a3671c23e35f8451209c68d500abb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDC | 5156 bytes |
font_01_sfnt_off00008f86.binc1ddff3eece3e7c2d42c6f2fede0720c923a3b6538532928b01e1c56960ef8bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F86 | 15620 bytes |
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