MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.ru/wix?keyword=hd+sentinel+portable'. The document body, though heavily obfuscated, appears to reference 'hd sentinel portable' and includes this malicious URL, suggesting a lure to a malicious site. The presence of many external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.
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.ru/wix?keyword=hd+sentinel+portable
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7650/2182/files/bivasemabosesawel.pdf
- https://cdn.shopify.com/s/files/1/0435/4975/3507/files/1190368081.pdf
- https://cdn.shopify.com/s/files/1/0439/4106/8958/files/wofuwijaku.pdf
- https://static.usrfiles.com/ugd/b8c837_30f19c0fba7248dabc7a34a6b1cc3b44.pdf
- https://static.usrfiles.com/ugd/ef7b09_528777575ca24c62aa2deae14641cd99.pdf
- https://static.usrfiles.com/ugd/7f46b5_5ec96ab8e4684b9b9262d421c1b1b68d.pdf
- https://static.usrfiles.com/ugd/b8c837_5081172ece1e4796955af9159a41e5d9.pdf
- https://static.usrfiles.com/ugd/0a0016_5c97674042884a0aab4f2c3f61b26719.pdf
- https://cdn.shopify.com/s/files/1/0432/0018/4477/files/fiwepeluxotomemujatid.pdf
- https://cdn.shopify.com/s/files/1/0431/0922/0503/files/basic_medical_terminology_prefixes_and_suffixes.pdf
- https://static.usrfiles.com/ugd/d01287_0f272579e1b04c08befd7a14b2b47d0c.pdf
- https://static.usrfiles.com/ugd/b8c837_b3c91d1cdd20489fab72408da3a639f5.pdf
- https://static.usrfiles.com/ugd/cc15ef_1bbff9ee7e7c4dd5b2f3db3f1b1d2abc.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_off00006ff2.bin0ed3ed4c79e9bac3809de60362d31a895e239067ef0a7834aed44d11d14f58b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF2 | 5052 bytes |
font_01_sfnt_off0000811c.binc260402847389e09541539ac39aeade29b469bc268666ca7402a598cf68c1dc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x811C | 10580 bytes |
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