MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, embedding numerous external links, with a primary focus on redirecting users through 'ttraff.me'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.me/wix?keyword=nova+launcher+beta+apk+mirror', suggesting a lure to download an APK. The ML classifier strongly flagged this PDF as malicious, and the presence of a malicious redirector link further supports this assessment.
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=nova+launcher+beta+apk+mirror
- http://files.petermichaeldavison.com/uploads/1/3/0/8/130813982/bokavifurenis.pdf
- http://files.elizabethfremantle.com/uploads/1/3/2/8/132815183/9829212.pdf
- https://cdn.shopify.com/s/files/1/0430/2484/2906/files/68773306833.pdf
- https://cdn.shopify.com/s/files/1/0438/7107/6520/files/attachment_theory_types.pdf
- https://cdn.shopify.com/s/files/1/0432/2253/2251/files/different_types_of_capacitors_and_their_uses.pdf
- https://cdn.shopify.com/s/files/1/0431/1393/9110/files/ceasefire_agreement_2003.pdf
- https://dc5d5f11-9741-4885-b5f3-88840463cbcd.filesusr.com/ugd/2f3ac6_4dfb609d2613491c9ac429573eb0c8a4.pdf?index=true
- https://38451b37-9ef7-471d-8d05-3da618c3ea07.filesusr.com/ugd/f14cf6_511e15eb0c5543ae9e383301f452145d.pdf?index=true
- https://c30dda13-3568-4891-9f90-f5946502bb87.filesusr.com/ugd/b14caa_cc1bc5f533da4a6584d3f3ae5603660a.pdf?index=true
- https://22158411-c1ad-4aa1-b7f8-9b095fc1ab5e.filesusr.com/ugd/681527_d838005f7e8e4921ab1dc36bc19a2661.pdf?index=true
- 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_off000045bc.bin32cd7e1494a4ecc6674699e3cee900a4fe184b06a8d89269de12eb9b4c108030 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45BC | 5228 bytes |
font_01_sfnt_off00005764.bin2b9ac6e03e8c43d88ea632a99edbe7c5f94d1e74d61855d302e8601f49ec0848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5764 | 12872 bytes |
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