MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to deliver a secondary payload. The document body, though obfuscated, contains keywords related to a manual, suggesting a lure to entice users to click the malicious link. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files.
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=eheim+2080+manual
- https://static.usrfiles.com/ugd/b8c837_9697dd7740e74475badebf05d2c73e82.pdf
- https://static.usrfiles.com/ugd/b8c837_799fc3ec7588419b9818c07b63ee78e6.pdf
- https://static.usrfiles.com/ugd/09273f_8eee961bd87b422291bfedc9d918c6b4.pdf
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/11041443378.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nefodegaxinavikiva.pdf
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/seamus_heaney_poems.pdf
- https://cdn.shopify.com/s/files/1/0431/5149/1236/files/92213334492.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4025/files/zaduned.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/61180449324.pdf
- https://static.usrfiles.com/ugd/b8c837_378f41b42f414a37bd4cc1379b8527a7.pdf
- https://static.usrfiles.com/ugd/6846fe_8c76ed5da77e438ea749d84961606202.pdf
- https://static.usrfiles.com/ugd/362633_26fec0a010584a45937c64527bd7a5c7.pdf
- https://static.usrfiles.com/ugd/7f16bd_f585955ecc634f81b075b92958caf5a3.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ad0.bin0271b6929e8ef9d91cd7851f42fbc411bebe4ccb57ca20fc4d3c7fe17dfe43d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AD0 | 5076 bytes |
font_01_sfnt_off00006bef.bin17ac21ddefc2f23b51775236b960b03e506f2aa9728e2cb20e3eb92014ae1508 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BEF | 13592 bytes |
font_02_sfnt_off0000971c.binda54e3a2643843d8c77a6ca7b6726fba74882f99cfd04e0a350263d2f50ca7f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x971C | 16168 bytes |
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