MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, many of which point to domains associated with link farms and redirectors, as indicated by the PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary malicious URL identified is https://ttraff.com/pify?keyword=punctuation+worksheet+for+2nd+grade, which is presented as a worksheet. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to URLs and appears to be a lure for users to click on malicious links.
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.com/pify?keyword=punctuation+worksheet+for+2nd+grade
- http://negupas.edtc517.com/uploads/1/3/1/4/131409909/67436ad7.pdf
- http://files.knightprideproductions.com/uploads/1/3/0/7/130740212/9553610.pdf
- http://wagikoj.actscc.net/uploads/1/3/1/0/131070500/labixej-wilubofamorax-sidafotu.pdf
- http://misinepal.silverfernevents.com/uploads/1/3/0/8/130874063/timofuruzek_fedat_kudinixotonune.pdf
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/vuduposodadipe.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/17507874725.pdf
- https://cdn.shopify.com/s/files/1/0437/6294/2101/files/g_i_sheet_size_and_weight_chart.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/63362574338.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/62680566773.pdf
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/flowers_for_algernon_full.pdf
- https://cdn.shopify.com/s/files/1/0433/6956/2266/files/45588152983.pdf
- https://cdn.shopify.com/s/files/1/0440/4156/8421/files/93482239815.pdf
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/riwoxipukitow.pdf
- https://cdn.shopify.com/s/files/1/0432/9180/3801/files/indoor_air_pollution_definition.pdf
- https://cdn.shopify.com/s/files/1/0431/7347/8560/files/lulew.pdf
- https://cdn.shopify.com/s/files/1/0433/2381/8139/files/11280816329.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8020/files/17423829299.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_off000056df.bin5f9cf10b2e165837b211b28dae2146eda38875f24aa491518f4949ce2ee7788e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56DF | 5540 bytes |
font_01_sfnt_off000069be.bin185371f922453f1dc0a70f66a8f231deac0e2a927dfccfbe2e05c0a8b4da4269 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69BE | 10272 bytes |
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