MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=free+kindergarten+alphabet+worksheets+pdf'. This URL is part of a link farm designed to manipulate search engine results and likely leads to a malicious payload. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for free educational materials. The ML classifier also strongly flagged this PDF as malicious.
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=free+kindergarten+alphabet+worksheets+pdf
- http://riteminet.masterlimstkd.com/uploads/1/3/0/7/130738943/4459328.pdf
- http://files.jameskelsoartist.com/uploads/1/3/2/7/132740637/59dfcda939.pdf
- http://files.nejnamc.org/uploads/1/3/1/6/131607346/bujowadatasivo.pdf
- http://babukuj.hilltopholdings.net/uploads/1/3/0/8/130874038/9af47.pdf
- http://files.jasminelcombs.com/uploads/1/3/2/7/132740457/nuwokoloki_xevutiwu.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6807/files/48580813777.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/32363254337.pdf
- https://cdn.shopify.com/s/files/1/0431/9959/4656/files/volexesoxosiweloledixepip.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/nokagipusutikitinane.pdf
- https://cdn.shopify.com/s/files/1/0433/7867/1779/files/fezefa.pdf
- https://cdn.shopify.com/s/files/1/0434/8621/6352/files/duxogavubotog.pdf
- https://cdn.shopify.com/s/files/1/0449/9714/8836/files/vopobenogezid.pdf
- https://cdn.shopify.com/s/files/1/0439/4424/7451/files/51795826320.pdf
- https://cdn.shopify.com/s/files/1/0430/7301/1863/files/pvc_ceiling_panels_installation.pdf
- https://cdn.shopify.com/s/files/1/0443/5417/5132/files/du_anti_ragging_form_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdf
- https://cdn.shopify.com/s/files/1/0434/3883/3816/files/fuwiwijisijimeve.pdf
- https://cdn.shopify.com/s/files/1/0428/5412/1635/files/soxeruxit.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_off000068ea.binf780682ae0550db572e07812638785226e2ec1c3350fa34f7165ed57c52a118a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EA | 5344 bytes |
font_01_sfnt_off00007b13.bin8c33c8da5600f321f25a14bf6f86412de32d608269d52b9b5aa3f2d16508bdd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B13 | 10352 bytes |
font_02_sfnt_off00009dab.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DAB | 4324 bytes |
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