MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which points to a URL designed to look like a geometry worksheet. This URL is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains the same URL and references to 'equation of a circle worksheet geometry pdf', reinforcing the lure. The PDF also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, likely to improve search engine ranking for malicious content.
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/wix?keyword=equation+of+a+circle+worksheet+geometry+pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/niferulewil.pdf
- https://cdn.shopify.com/s/files/1/0478/1722/8455/files/pueblo_school_for_arts_and_sciences_employment.pdf
- https://cdn.shopify.com/s/files/1/0444/0326/1606/files/la_calaca_alegre_book_in_english.pdf
- https://cdn.shopify.com/s/files/1/0429/6795/7658/files/debejekiti.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9080/files/mabesuzerumulami.pdf
- https://13c758b0-d810-4d28-a475-748181f97043.filesusr.com/ugd/9b7d8a_9fb620656b264ab9b81c26a506f004de.pdf?index=true
- https://3f301f9f-d007-47cf-b088-77fa6f9d3720.filesusr.com/ugd/c8df25_69edf5ffffd848c39f9b2148ff5a19a5.pdf?index=true
- https://be7bc9f1-cc9a-430f-b1bd-29ba50b37e8d.filesusr.com/ugd/5a1791_24c577ecacaf4933a6b809fca82deac8.pdf?index=true
- https://7c0297dd-0e5a-48f8-a29e-c50fc6724342.filesusr.com/ugd/5c9621_910ccfdb41054321899a51d6122cd92b.pdf?index=true
- https://0094444c-bdbe-4c6b-bf6d-deb9523a8596.filesusr.com/ugd/1813b3_26f5553c22c44b95bae98607a27b13e3.pdf?index=true
- https://83df67ee-a063-423e-921d-b66427d9f69e.filesusr.com/ugd/35e1ce_243b6ba3510944e38212b1254946b508.pdf?index=true
- https://cdn.shopify.com/s/files/1/0430/7759/9383/files/malutarazoxakilozijebe.pdf
- https://cdn.shopify.com/s/files/1/0432/2535/0301/files/26243036305.pdf
- https://cdn.shopify.com/s/files/1/0430/9526/1333/files/ipcc_auditing_standards_notes_pdf.pdf
- https://cdn.shopify.com/s/files/1/0430/2602/2554/files/6163532089.pdf
- https://cdn.shopify.com/s/files/1/0440/2518/4421/files/griechisches_Rindfleisch_kokkinisto.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_off000055f3.binf42d391513c1548879dc1523564d0f4f3ae1fed85216ed1268c1775154e46d7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55F3 | 5908 bytes |
font_01_sfnt_off00006a08.binffef3c36c83c4e5dd278b9aabfaa5148195e041df16ed99ce83896289c00fc88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A08 | 9976 bytes |
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