MALICIOUS
158
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.link/wix?keyword=code.+org+unit+3+lesson+5+answers'. This URL is designed to lead the user to a potentially harmful destination, disguised as a search result for educational content. The document body also contains this URL and numerous other links to PDF files hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The embedded JavaScript stream and ML classifier further support the malicious nature of this document.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.link/wix?keyword=code.+org+unit+3+lesson+5+answers
- https://cdn.shopify.com/s/files/1/0429/7592/0282/files/abstract_reasoning_download.pdf
- https://cdn.shopify.com/s/files/1/0432/3124/8539/files/2012_bmw_x3_xdrive35i_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/5612/8412/files/65594507370.pdf
- https://cdn.shopify.com/s/files/1/0431/2947/1130/files/xezafalewa.pdf
- https://cdn.shopify.com/s/files/1/0430/1353/7951/files/2016338324.pdf
- https://cdn.shopify.com/s/files/1/0433/5999/4014/files/pusunufaxejenagivex.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/piritolapefutefozopepi.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3920/files/xajanawopurebipuzimu.pdf
- https://static.usrfiles.com/ugd/fbccce_d578762edcbf4709be5267e6d2a7dbc6.pdf
- https://static.usrfiles.com/ugd/565485_d16109b672ac4ef3b024dd42f326ea49.pdf
- https://static.usrfiles.com/ugd/3d0627_dafa68a3b79d476aa5663d363f884ff5.pdf
- https://static.usrfiles.com/ugd/760101_6f44d9dde8764bcf9a63154c60239159.pdf
- https://static.usrfiles.com/ugd/cb2bed_202be5065259484d9aaa0f9d2cd2d928.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/jepifinidutazup.pdf
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/10415100143.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_off000068f3.binbc56999ee37c1e6888f9307268e2b78034ab1f96c0dca0870fc51c18f639670a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F3 | 5308 bytes |
font_01_sfnt_off00007b22.bin3b192d35db2eec7c10077723400778e70c7dbf2d32f2ec5545b31c6fb4e5e1a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B22 | 10196 bytes |
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