MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link disguised as educational content ('Jolly phonics blending worksheets') that redirects to a known malicious infrastructure. The PDF also hosts a large number of links, many pointing to Shopify, suggesting an attempt to obscure the malicious destination or engage in SEO manipulation. The ML classifier strongly indicated maliciousness.
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.cc/pify?keyword=jolly+phonics+blending+worksheets
- http://files.spiritwalk.info/uploads/1/3/1/4/131452935/3407478.pdf
- http://files.uturncapital.org/uploads/1/3/1/1/131163669/zetilarenetaf.pdf
- http://files.sweetprairiepickin.shop/uploads/1/3/1/3/131383586/0524120c39214e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0204/4316/files/veguloj.pdf
- https://cdn.shopify.com/s/files/1/0438/1740/2530/files/83544399880.pdf
- https://cdn.shopify.com/s/files/1/0429/6127/2995/files/midipolafep.pdf
- https://cdn.shopify.com/s/files/1/0437/0844/8922/files/authorization_letter_example.pdf
- https://cdn.shopify.com/s/files/1/0439/0476/2011/files/xadulukisoso.pdf
- https://cdn.shopify.com/s/files/1/0433/4452/7511/files/luzozezofumafis.pdf
- https://cdn.shopify.com/s/files/1/0428/8613/5961/files/89430653769.pdf
- https://cdn.shopify.com/s/files/1/0441/4147/8040/files/23806776607.pdf
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/tifukorojobusazado.pdf
- https://cdn.shopify.com/s/files/1/0430/5187/6509/files/86411344936.pdf
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/fiverr_gig_template.pdf
- https://cdn.shopify.com/s/files/1/0439/5037/5070/files/hybridization_practice.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0011/files/zetokixibujozukojagowel.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050d3.binff1266b25154a2cb349f7773fa0520689b960694bf7f6eca9db5e46e98ea0cae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50D3 | 5512 bytes |
font_01_sfnt_off00006393.bin24c2169f4e748dd1c08f7d507a6aa5cdd175ea681fa06f95a66bebd411e0da83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6393 | 10348 bytes |
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