MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.link/wix?keyword=formal+language+and+automata+theory+tutorial+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious infrastructure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external documents.
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.link/wix?keyword=formal+language+and+automata+theory+tutorial+pdf
- https://static.usrfiles.com/ugd/61c57f_d6635fbc041e4ee590c6197f8c7e8830.pdf
- https://static.usrfiles.com/ugd/b8c837_5689eced90bd429ca9020d6800e11d52.pdf
- https://static.usrfiles.com/ugd/ae059d_0939a7b1f3064485982555091a1ddcea.pdf
- https://static.usrfiles.com/ugd/0047a4_0c6f190a2252402abfeb319cc85db79f.pdf
- https://static.usrfiles.com/ugd/b8c837_74db0035b9e14a64b6eaf4639c77ac0d.pdf
- https://cdn.shopify.com/s/files/1/0434/1337/3084/files/top_10_grammar_checker_apps_for_android.pdf
- https://cdn.shopify.com/s/files/1/0429/2119/7724/files/kokodakuri.pdf
- https://cdn.shopify.com/s/files/1/0427/5837/3542/files/amu_entrance_exam_paper.pdf
- https://cdn.shopify.com/s/files/1/0430/3123/2661/files/17981764221.pdf
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/3219297073.pdf
- https://cdn.shopify.com/s/files/1/0469/4904/0289/files/fatca_reporting_requirements_canada.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/salmos_hernandes_dias_lopes.pdf
- https://cdn.shopify.com/s/files/1/0441/2011/3304/files/workplace_health_and_safety.pdf
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/29162619490.pdf
- https://static.usrfiles.com/ugd/353d00_f91ecada349443dd98b547d343aafaee.pdf
- https://static.usrfiles.com/ugd/dd6616_e7bbbe80dd2541e682aa5a590d467938.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005abd.bin65233bb683311f5102466ade72d4400a9bb0c81b399e1baa9b220ca3e11a6db2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ABD | 2012 bytes |
font_01_sfnt_off00006435.bind57db7d34ffc5f2900f509b52200e05e34ad03f8ef2ba8a0f6559cc7577400de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6435 | 5336 bytes |
font_02_sfnt_off00007639.bin472e9f16ac31e430c69588b802f6ab0686df9ca1094a3919bac67421345ef9db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7639 | 10276 bytes |
font_03_sfnt_off000099b4.bin75d3d8f8e6811037d4ffb807d70376807ab0d4b7fe3ba3522c78dfe90b6f26ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99B4 | 16224 bytes |
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