MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is part of a link farm designed to host numerous other PDFs. The document body and embedded URLs suggest a social engineering lure, prompting the user to download a browser extension or update, which is a common tactic for credential theft or malware installation. The primary malicious URL identified is https://ttraff.ru/wb?keyword=adobe%20acrobat%20pdf%20app%20download, which leads to a collection of other PDF files.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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/wb?keyword=adobe%20acrobat%20pdf%20app%20download
- http://files.dragonfirestore.net/uploads/1/3/0/7/130739253/826469.pdf
- http://files.realvalueinvestments.net/uploads/1/3/2/6/132681201/3949e.pdf
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/anamorphic_illusions.pdf
- https://cdn.shopify.com/s/files/1/0430/8277/6727/files/81378900658.pdf
- https://cdn.shopify.com/s/files/1/0437/9164/6880/files/woboganinumakeraja.pdf
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/35258702862.pdf
- https://cdn.shopify.com/s/files/1/0436/5864/1561/files/17917472648.pdf
- https://cdn.shopify.com/s/files/1/0429/7284/0090/files/gipumilasaboxirutezuz.pdf
- https://cdn.shopify.com/s/files/1/0433/7300/2902/files/62220281402.pdf
- https://cdn.shopify.com/s/files/1/0432/3812/9823/files/tobomovojaxakatojirujit.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5591/files/volulotof.pdf
- https://cdn.shopify.com/s/files/1/0448/3943/6449/files/tozenuvuxibinefiba.pdf
- https://cdn.shopify.com/s/files/1/0439/2353/8088/files/lojuwofiwasokuxoxupixu.pdf
- https://cdn.shopify.com/s/files/1/0437/9394/0629/files/cbse_answer_sheet_format.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/68665046960.pdf
- https://cdn.shopify.com/s/files/1/0440/3894/6981/files/horn_of_the_brown_wolf.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_off00005cf7.bin63d557eb129761e2306d4a9f13945bf47714217535fd820856ad1c7a6ed6cbfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF7 | 5192 bytes |
font_01_sfnt_off00006ebf.bin471d3c357e351962a798f2258e517abc59ce23e9546fe8ed7b7363ed0f2a51bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EBF | 10392 bytes |
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