MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that directs users to a malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to a lab report and the malicious URL. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, suggesting a link farm or spamming operation. 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.club/wix?keyword=hydrostatic+pressure+of+water+lab+report
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/e2c250_62aaff1b8d034174a8f8602b3f1e96d5.pdf
- https://static.usrfiles.com/ugd/3bca44_79aff0b174af458da159d32cf394fc41.pdf
- https://static.usrfiles.com/ugd/6116da_e454833c42de488f82b0dd0b1175524f.pdf
- https://cdn.shopify.com/s/files/1/0434/8457/7956/files/xogutuvowiwawabe.pdf
- https://cdn.shopify.com/s/files/1/0449/1496/6695/files/pathophysiology_books_free.pdf
- https://cdn.shopify.com/s/files/1/0433/6133/7498/files/16646827090.pdf
- https://static.usrfiles.com/ugd/01e791_e50fd3b6b75b4afbb1c107b705220814.pdf
- https://static.usrfiles.com/ugd/625844_eb83d9305e67448d8fb7dff6312e0b1c.pdf
- https://static.usrfiles.com/ugd/115d6e_c0309f0c32024eac98147284e28e4995.pdf
- https://static.usrfiles.com/ugd/3b5dd9_e4e4eed3c46d42b8a5759a396da1ac11.pdf
- https://static.usrfiles.com/ugd/f3ecbe_7d44c4c9e20740018f5f1a769363c5c0.pdf
- https://static.usrfiles.com/ugd/28b3f7_f8fada60c23f46129f12e6f6cb41d348.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_off00005957.bin097f32649689d293f35327a209b1e81b59d12236584fcfabc84077da29ed15b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5957 | 5444 bytes |
font_01_sfnt_off00006bfe.bin451a64f0435bd5bb9c79f3add7bc09708f6d20b7b139abaf47a6d394f355aea4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BFE | 9416 bytes |
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