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 infrastructure, disguised with keywords related to educational answers. The PDF also hosts a large number of external links, many pointing to Shopify, likely as part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicates maliciousness. No scripts were extracted from this sample.
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.link/wix?keyword=nvq+level+3+business+administration+unit+answers
- https://cdn.shopify.com/s/files/1/0451/8638/4023/files/direct_loan_master_promissory_note.pdf
- https://cdn.shopify.com/s/files/1/0432/0329/7437/files/8797215418.pdf
- https://cdn.shopify.com/s/files/1/0433/7382/2115/files/zefunimelijodope.pdf
- https://static.usrfiles.com/ugd/9bd8c3_6fea3593fb79461abbc4c7d1b9ac35ec.pdf
- https://static.usrfiles.com/ugd/277b62_3da9253aa39a4757a9892e4e5bd99658.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/13132773261.pdf
- https://cdn.shopify.com/s/files/1/0433/7578/8182/files/engineering_economic_analysis_10th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/6332/0469/files/tilarewetuwejomudefobu.pdf
- https://cdn.shopify.com/s/files/1/0431/6214/0826/files/50886901389.pdf
- https://cdn.shopify.com/s/files/1/0428/6028/2023/files/biogas_installation.pdf
- https://cdn.shopify.com/s/files/1/0431/1983/7333/files/wutewusudamonisijos.pdf
- https://cdn.shopify.com/s/files/1/0430/1049/0519/files/wonerilokewepesala.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_off000095a5.bin58a7c253e5a1c641db0507c555759e8d15d7d3254bdef3a551afbf41cb60f57d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95A5 | 5520 bytes |
font_01_sfnt_off0000a866.bin868c2e2a7eb8ade034bd3321ff6b07a4c7c57f1553ba740a17b42035c95e3fc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA866 | 9996 bytes |
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