MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.me, which is disguised with a 'lotus symphony spreadsheet' keyword. The document also hosts a large number of other PDF links, suggesting a link farm designed to manipulate search engine results or distribute further malicious content. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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.me/wix?keyword=lotus+symphony+spreadsheet
- https://static.usrfiles.com/ugd/7921d2_2585aba7c14841dab579e81c2c24171a.pdf
- https://static.usrfiles.com/ugd/0047a4_8609ea3d6c5648dcbe59e60a96d70de5.pdf
- https://static.usrfiles.com/ugd/bcfc12_10c378ab798949689025e70ab87e3d94.pdf
- https://static.usrfiles.com/ugd/6240f8_28a967503881409fbf417c8fabd2f40a.pdf
- https://static.usrfiles.com/ugd/078c79_fdb6b6a231384fbcaece07da5f0691e0.pdf
- https://static.usrfiles.com/ugd/dd6616_4bb9920fc4ff48b797822e89a67eb65b.pdf
- https://static.usrfiles.com/ugd/96bf9d_7217b744cbe643359ffbd44a2b1c5122.pdf
- https://static.usrfiles.com/ugd/b50c55_e03590c1f2e34d8b9c4c4da4267fc732.pdf
- https://static.usrfiles.com/ugd/5af86b_cf6f8df2a3fc49e198ad294843d5ac40.pdf
- https://static.usrfiles.com/ugd/b8c837_3020d7d9c3fa4affaa29f456dc8a2463.pdf
- https://static.usrfiles.com/ugd/87d215_133814af1c0047998ce8c5f0740ba92f.pdf
- https://static.usrfiles.com/ugd/18574e_b18932a790004a7abc966954304ac900.pdf
- https://static.usrfiles.com/ugd/0047a4_62542af9137b4e82b2cb3a992a2cc48d.pdf
- https://static.usrfiles.com/ugd/5ad03d_495a585ccc4b4407bcdf40df30820ab8.pdf
- https://static.usrfiles.com/ugd/77941b_4b6c4a85b30e43efa034bbefbadd4564.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_off00006af7.bin75276c1e3a5c34a584d719b00104477f1852a3922bd02261d781f238048d59e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF7 | 5212 bytes |
font_01_sfnt_off00007c89.binf393036b2a2c74d2185703f3ab48ba9d8d3eec40e13aba461ca870fcfd0e1e7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C89 | 10424 bytes |
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