MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'operations with exponents worksheet'. The ML classifier strongly flagged this PDF as malicious, and the presence of a malicious redirector indicates an attempt to lead the user to a harmful site, likely for further exploitation or credential harvesting.
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.com/wix?keyword=operations+with+exponents+worksheet
- https://cdn.shopify.com/s/files/1/0434/4751/7349/files/muserejoxodako.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/mnemonics_for_respiratory_acidosis.pdf
- https://cdn.shopify.com/s/files/1/0429/1896/9507/files/2240362757.pdf
- https://cdn.shopify.com/s/files/1/0439/2042/5115/files/kuxifuzasis.pdf
- https://cdn.shopify.com/s/files/1/0433/8683/1004/files/southpaw_movie_free.pdf
- https://cdn.shopify.com/s/files/1/0431/2029/6090/files/bwv_998_guitare_allegro.pdf
- https://static.usrfiles.com/ugd/b8c837_8793cd0b0baf4a898d1e1cca203a6f7e.pdf
- https://static.usrfiles.com/ugd/362633_b9864266e40c4960a13ee903c8848110.pdf
- https://static.usrfiles.com/ugd/7598fa_caa36de71b60416db5033ffc6e8e86fe.pdf
- https://static.usrfiles.com/ugd/60933b_4622252e65d04152b32afe1f91312725.pdf
- https://static.usrfiles.com/ugd/b8c837_80314a30d10c4facaac57f5f2912e18e.pdf
- https://static.usrfiles.com/ugd/db93e9_5bbbc1b6715545eeb6d60532476f4fd1.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_off0000616c.bin81be05f26e8f3e9d9a5b6e37b153f902fc0750c2ea8d9369de18412595e4a7cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x616C | 4916 bytes |
font_01_sfnt_off0000721d.bined7378ae08ac9a1c5426a186cef07671b59fb39ffcfa40fefc0d2d964e1c4443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x721D | 10388 bytes |
font_02_sfnt_off00009543.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9543 | 4324 bytes |
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