MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a link farm designed for SEO manipulation. One of these links, https://ttraff.com/wix?keyword=present+perfect+tense+english+gramma, is identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain the same URL and references to PDF links, suggesting a coordinated effort to drive traffic to malicious infrastructure.
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=present+perfect+tense+english+gramma
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_e28ad10048174f96ad44a077dbc55c73.pdf
- https://static.usrfiles.com/ugd/21e6f2_0eb08d7056b84f368f6ed718ca4de517.pdf
- https://static.usrfiles.com/ugd/0511f5_1af2082cffba45c4a8f747ac9905e5c0.pdf
- https://static.usrfiles.com/ugd/b8c837_86b8e7b476734cdd85e02ed1c7314eeb.pdf
- https://static.usrfiles.com/ugd/067ecb_5625dbd0973142ce8042642c4d4dc13d.pdf
- https://static.usrfiles.com/ugd/238140_54e97328d4ee48969d197bacb2911885.pdf
- https://static.usrfiles.com/ugd/bf650e_c243ce50fdbf4580acdd6618d92ef817.pdf
- https://static.usrfiles.com/ugd/7ff653_7c59bb561848478db31fd3edcb2e99c4.pdf
- https://static.usrfiles.com/ugd/510a18_a7cd000624104f788661aa59660553c3.pdf
- https://static.usrfiles.com/ugd/b8c837_d1671a42903845d28d5397c85c4fbc8f.pdf
- https://static.usrfiles.com/ugd/b8c837_acd4e2360e3442e3b86e781b90b26e2c.pdf
- https://static.usrfiles.com/ugd/493135_6779b958b58341839fc033634797072f.pdf
- https://static.usrfiles.com/ugd/fd7405_177be7a8adad40629dc3bb1f454e19fa.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_off00005a20.binb41b57b2b74540df31c7a4804d55f9cc8716136c3b0639a9d64697dc80b3461c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A20 | 5432 bytes |
font_01_sfnt_off00006c66.bin4c4f9b721bd82daebb6c140fdc151bc9b9bce230e62d9a84fef433432f2b1b25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C66 | 10224 bytes |
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