MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded document body text, though heavily obfuscated, contains keywords related to a 'Samsung tablet 10.1 manual download' and a URL that appears to be part of a link farm designed for SEO manipulation. The ML classifier also strongly flagged this PDF as malicious. The primary IOC is the redirector URL.
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=samsung+tablet+10.1+manual+download
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0448/0398/1463/files/gestational_diabetes_mellitus.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40369191557.pdf
- https://cdn.shopify.com/s/files/1/0437/7742/5559/files/16733119503.pdf
- https://cdn.shopify.com/s/files/1/0432/1044/0859/files/muvidekuvitubilo.pdf
- https://cdn.shopify.com/s/files/1/0439/3448/2587/files/83606032040.pdf
- https://cdn.shopify.com/s/files/1/0437/1575/6182/files/24818414552.pdf
- https://cdn.shopify.com/s/files/1/0430/3280/5527/files/65462833054.pdf
- https://cdn.shopify.com/s/files/1/0437/7188/7767/files/durga_saptashati_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0434/8136/6693/files/19979014253.pdf
- https://cdn.shopify.com/s/files/1/0434/1678/0951/files/sunnie_jones_porn.pdf
- https://cdn.shopify.com/s/files/1/0429/3001/2316/files/waburomowoxesoto.pdf
- https://static.usrfiles.com/ugd/b8c837_3b2ff7c6da78439ab226d5ea488cd598.pdf
- https://static.usrfiles.com/ugd/48d9a1_350000dbf51e4e4a825710d090da7f57.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_off000068eb.bince7cbe1b4920661df3564fb241c34a9abebdd636a3bcb181326eed4d3953bf64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EB | 5608 bytes |
font_01_sfnt_off00007bfa.binb608aba107fb76eb19d31ecf802bb01cd2fc8e3844e8a6e670892c2d94a4d60a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BFA | 10672 bytes |
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