MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, it was identified as a PDF link farm, containing numerous external links. The primary malicious URL, 'https://ttraff.cc/wix?keyword=kangoku+senkan+premium+box+how+to+do', is the most critical IOC. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.cc/wix?keyword=kangoku+senkan+premium+box+how+to+do In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_f63ba92fd3d3488db5a8c617a3ff6671.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_fe40e38292f54e0294d160a648e170a4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_2762b56172ef4ef8bb40c865dfa9f22b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_36350c2d29ef4ed4b7ae912bc8d282b8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9390/7869/files/77661235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4985/6669/files/study_bible_kjv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4837/8280/files/sistemas_de_control_automatico_kuo_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1699/4461/files/99308580416.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6583/4658/files/b._tech_final_year_projects_for_cse.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_03a38d3ee55f42c0881c854eeebf817f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_73c01e9f6fc3485c9e71736f766de4b6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_caaba8d62c9f49278d45ca32e7757fe3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_d1cf448b6cbc46a68b31134152d4f845.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5b604d_8bc675e72165416a9767cb967ef268b8.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000441d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x441D | 4492 bytes |
SHA-256: 84c51353ecd0be5f979a8fe8d6aaa6e28b144464f91f8010cff67b23b055965e |
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font_01_sfnt_off000053ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53AB | 5676 bytes |
SHA-256: 32115a1e6635b0830cd7051bd363674a116fb0db4a7840d2b59d9e3331c4c801 |
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font_02_sfnt_off000066e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66E3 | 9520 bytes |
SHA-256: 8e23a95b110cffc770a430049d7411545dc96ce6b0c5a3b26c36dd164ff65e7a |
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font_03_sfnt_off000087af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87AF | 16088 bytes |
SHA-256: 2727b978b38a50f39ad898ebf475f8e8b5e599e3ec01ea6686db683a475b2ff9 |
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