MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to funnel victims to a malicious site. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to a medical PDF. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector link.
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.cc/wb?keyword=abdomen%20agudo%20quirurgico%20pediatrico%20pdf
- http://files.jazzmenmusicandgallery.com/uploads/1/3/1/8/131871740/637d7.pdf
- http://files.drawinguntohim.com/uploads/1/3/1/4/131406749/588408.pdf
- http://nigabuzuj.villageveterinary.ca/uploads/1/3/0/7/130776088/7066324.pdf
- http://files.zeydarsantana.com/uploads/1/3/2/6/132682585/varusidosoxa.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/zalolojunemipirabofenum.pdf
- https://cdn.shopify.com/s/files/1/0427/6387/8566/files/98026592884.pdf
- https://cdn.shopify.com/s/files/1/0430/8438/2357/files/69171668442.pdf
- https://cdn.shopify.com/s/files/1/0435/6803/8049/files/guvegasase.pdf
- https://cdn.shopify.com/s/files/1/0430/5669/3397/files/30203052402.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/venunosukefiloz.pdf
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/39605468525.pdf
- https://cdn.shopify.com/s/files/1/0431/8176/8864/files/ketamarakupixerikin.pdf
- https://cdn.shopify.com/s/files/1/0434/3080/5671/files/32642217288.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_off00009cb7.bin800192a125a16ee1105033dc59d90a7a241cf9a0df58699f925bcc4655e8300e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CB7 | 5520 bytes |
font_01_sfnt_off0000af5b.binda3057b42ca6779ad0a697ae4abd81b2778fdbf19af3fa9e30d1d5518cf90d29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF5B | 11920 bytes |
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