MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to redirector infrastructure or potentially malicious content farms. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate a deliberate attempt to obfuscate malicious destinations. The ML classifier also strongly flagged this PDF as malicious. The embedded URLs are the primary indicators of malicious activity.
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.club/wix?keyword=delta+force+student+discount
- http://zusukef.styestreatment.com/uploads/1/3/1/4/131482975/19b71ccae4e84d.pdf
- http://files.randolphgardenclub.org/uploads/1/3/1/8/131856125/8713147.pdf
- http://files.marenerji.com/uploads/1/3/0/8/130874493/bobuzilowugowetag.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/kala_song_lyrics_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0432/7751/6955/files/48483242245.pdf
- https://cdn.shopify.com/s/files/1/0434/0029/8648/files/xodoxinezusaxije.pdf
- https://cdn.shopify.com/s/files/1/0482/0513/6024/files/my_time_at_portia_museum_checklist.pdf
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/jiwugemo.pdf
- https://cdn.shopify.com/s/files/1/0483/9695/9901/files/knights_and_dragons_hack_2019.pdf
- https://b221ac99-8483-4bc3-aba0-1c780a3c0db1.filesusr.com/ugd/48f461_3df85639e6a74ef4878ffad7ea68cf9f.pdf?index=true
- https://22bd3403-01d3-439d-ae6b-8562f4e5ae95.filesusr.com/ugd/33a2e4_e025b2edac224d719781d968d07aeac8.pdf?index=true
- https://f09c942c-df50-485e-af9e-7e2511a09ed6.filesusr.com/ugd/3ed902_d519895f0e654193889de36e7cb23eb0.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c5d.bin7206efeb7e24fc5595bb0715c488911067200acd5dd738ecab940bd020c75996 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5D | 5012 bytes |
font_01_sfnt_off00006d7e.bin972ce143ab33629d0cff17656e541aa182735f6a0c05d2990d81b55c69682a1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D7E | 10364 bytes |
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