MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to school uniforms, likely a phishing attempt. The ML classifier also strongly flagged this PDF as malicious. The primary IOC is the redirector URL.
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/pify?keyword=brampton+manor+primary+school+uniform
- http://files.armonklions.org/uploads/1/3/1/3/131383251/a396dbacf0ca.pdf
- http://files.stkittswatersafaris.com/uploads/1/3/1/0/131070109/7544638.pdf
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/84822236828.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/93761869430.pdf
- https://cdn.shopify.com/s/files/1/0432/8423/4396/files/les_alphas__imprimer.pdf
- https://cdn.shopify.com/s/files/1/0433/4950/8246/files/88946681892.pdf
- https://cdn.shopify.com/s/files/1/0431/1141/5965/files/89299863483.pdf
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/41482264299.pdf
- https://cdn.shopify.com/s/files/1/0432/7292/9435/files/75792954670.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/search_chrome_history_by_date.pdf
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/xarevakufawimune.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4171/files/zulaxepivedepexotasakisiz.pdf
- https://cdn.shopify.com/s/files/1/0430/0580/4698/files/sipewebadeki.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_off00005d4b.bin8207da24035fdba7c68a4c98580f6784eeb3a33177b5d5456db6e300310d4b38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D4B | 5408 bytes |
font_01_sfnt_off00006f87.bin6d184dce827c57d2db06750de9c3f41f03758fa0b15b38f29ea69dfb8685bc92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F87 | 10104 bytes |
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