MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a lure related to "Sat physics subject test answer sheet" and embeds multiple links. One of these links, https://ttraff.cc/pify?keyword=sat+physics+subject+test+answer+sheet, points to a known malicious redirector. The PDF also hosts a large number of other PDF files on Shopify domains, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious infrastructure. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=sat+physics+subject+test+answer+sheet
- http://bawoz.iremuny.com/uploads/1/3/0/8/130874038/dibotej_vifer_xotalatop_neguneviva.pdf
- https://cdn.shopify.com/s/files/1/0431/7511/6964/files/92257854100.pdf
- https://cdn.shopify.com/s/files/1/0439/2206/3515/files/49574660257.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8133/files/wogagedasurowiso.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/bafisajirebikijanipuxi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zorosibal.pdf
- https://cdn.shopify.com/s/files/1/0436/1335/6189/files/nuxesinitoran.pdf
- https://cdn.shopify.com/s/files/1/0433/2853/6734/files/10999640615.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zobuwavidojanunixi.pdf
- https://cdn.shopify.com/s/files/1/0432/3993/2067/files/bugazobenapasoze.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20011772627.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_off000043a7.bin2c587c55bf8ba1701a930df2ad3ea0d1a6d5c8c3a9a92ea20e9d9cf5b4914e2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43A7 | 5504 bytes |
font_01_sfnt_off00005659.bin0db11578976ef484428217ecb240f02f1e9f77c96f24de3a7bc5c3aa4bd04d71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5659 | 9760 bytes |
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