MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically directing users to 'https://ttraff.cc/wix?keyword=cset+foundational+math+study+guide'. The document body also contains this URL along with numerous other PDF links, suggesting a link farm or redirection attempt. The ML classifier also 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/wix?keyword=cset+foundational+math+study+guide
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_15216b0e15844e7fbff76eea20b523a7.pdf
- https://static.usrfiles.com/ugd/b8c837_f2a30a9a72904156b09b47f6b151624a.pdf
- https://static.usrfiles.com/ugd/b8c837_649517d3e2b14ba1816d4229783b3e13.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/espresso_english_grammar_level_3_download.pdf
- https://cdn.shopify.com/s/files/1/0430/5544/8213/files/sebepekobazilakunozazu.pdf
- https://cdn.shopify.com/s/files/1/0431/8294/8506/files/zopevirarumo.pdf
- https://static.usrfiles.com/ugd/8c0e65_bd1f883cccd4434e8a62e481c3f7d435.pdf
- https://static.usrfiles.com/ugd/3649d2_4e824d29092940c29aea553fb6ff60b6.pdf
- https://static.usrfiles.com/ugd/2274a7_e932d3f96394403690361076c5755fa4.pdf
- https://static.usrfiles.com/ugd/b8c837_d481109ebff045f2aeded6ef80821e5c.pdf
- https://static.usrfiles.com/ugd/33a16d_0bec993531114e219b5924539b4df8af.pdf
- https://static.usrfiles.com/ugd/33a2e4_c27a9ac48fea4641854af59f7df5496b.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_off00006204.binf2cd89a75b0333a8e8fc95dcab05d45d4ece95517159368499f510e82379108e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6204 | 5232 bytes |
font_01_sfnt_off000073b4.bina29c426e7bf7c7520adc00d6cdc99bef7aae3362c60057d0119aa0f8cf593414 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B4 | 10756 bytes |
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