MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the URL 'https://ttraff.com/wix?keyword=wouxun+kg-+uv920p', which is likely used to redirect users to a malicious site. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.
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=wouxun+kg-+uv920p
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/baldur_s_gate_ii_enhanced_edition_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/7352/8223/files/xepolo.pdf
- https://cdn.shopify.com/s/files/1/0438/0593/3730/files/buvobikaliwodijefupinazi.pdf
- https://cdn.shopify.com/s/files/1/0434/2756/1634/files/99735915719.pdf
- https://cdn.shopify.com/s/files/1/0432/0978/5512/files/how_to_disable_bixby_android_pie.pdf
- https://cdn.shopify.com/s/files/1/0428/1673/3340/files/31125292626.pdf
- https://cdn.shopify.com/s/files/1/0450/3525/8020/files/99854490303.pdf
- https://static.usrfiles.com/ugd/b8c837_70aacd58c37a44dcb7a9985d0aba8afe.pdf
- https://static.usrfiles.com/ugd/d78803_b1e3a0c0adb94e7286e4ac3257ea3487.pdf
- https://static.usrfiles.com/ugd/b8c837_c8ae1cc5048e42cca5aca5c01c483612.pdf
- https://static.usrfiles.com/ugd/b8c837_fe087dee0ac440b78ff6ddd6c68974aa.pdf
- https://static.usrfiles.com/ugd/b8c837_1f2a34d609c6451b88034df86830965c.pdf
- https://cdn.shopify.com/s/files/1/0433/8135/8759/files/amendments_11_27.pdf
- https://cdn.shopify.com/s/files/1/0438/1055/4013/files/bisugi.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_off00007ffd.bin47331fce74345e147e6bbe93ca492e2691885344dabf368033bd14f6bfc2d0e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FFD | 5136 bytes |
font_01_sfnt_off000091b9.bin21d33dce6c9b3b1cca058a3cd2049b2e8bbdecd9939be3ae4fcb6014061cfc5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91B9 | 10652 bytes |
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