MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.me/wix?keyword=assets+held+for+sale+balance+sheet+classification'. The ML classifier also strongly flagged this PDF as malicious. The document body, though partially corrupted, contains text related to financial assets and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious links.
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.me/wix?keyword=assets+held+for+sale+balance+sheet+classification
- https://static.usrfiles.com/ugd/b8c837_893b824729e540a7a7df4385467bf7b6.pdf
- https://static.usrfiles.com/ugd/12f4eb_615d886f5b864794836d14322ee64246.pdf
- https://static.usrfiles.com/ugd/b8c837_7e9a4332909842f7ad06228ba793f6b9.pdf
- https://cdn.shopify.com/s/files/1/0428/1437/4047/files/migabifepek.pdf
- https://cdn.shopify.com/s/files/1/0440/6158/9669/files/nuruxegularugagidu.pdf
- https://cdn.shopify.com/s/files/1/0430/4093/1991/files/xigilu.pdf
- https://cdn.shopify.com/s/files/1/0459/9824/3999/files/digital_electronics_book.pdf
- https://static.usrfiles.com/ugd/bae363_321599981bc34ba1aaebc40bc1008f32.pdf
- https://static.usrfiles.com/ugd/b8c837_576b572585034db998e9fea34c285dc0.pdf
- https://static.usrfiles.com/ugd/b8c837_98f4388ee5e94d30af131694b62b071d.pdf
- https://static.usrfiles.com/ugd/724fb5_3fdb29a5cea44801901651b561211c6f.pdf
- https://static.usrfiles.com/ugd/4cf28d_40626d773f5b447c8b60ab815d3b8c93.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_off0000606c.binbba4f72b0b855c40aafca4a56c9b8b2e1febd9b90ac7a33f6ffdce518463ee3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x606C | 5236 bytes |
font_01_sfnt_off00007237.binc90612efb8de5d13914a97b2982eea15e679b05e9c8e7586f374617f0dfd0025 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7237 | 10228 bytes |
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