MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, a technique often used to create link farms for SEO manipulation or to distribute malicious content. One of the primary links, 'https://ttraff.ru/pify?keyword=birkenhead+sixth+form+college+term+dates', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the primary malicious 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=birkenhead+sixth+form+college+term+dates
- http://pijotule.emsot.co.uk/uploads/1/3/0/9/130969162/fadoxagek.pdf
- https://cdn.shopify.com/s/files/1/0430/1655/2605/files/marketing_process_steps.pdf
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/wepabuvazujebopufopexo.pdf
- https://cdn.shopify.com/s/files/1/0432/7912/2587/files/39752047211.pdf
- https://cdn.shopify.com/s/files/1/0432/8561/0654/files/33293469586.pdf
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/daxaxajom.pdf
- https://cdn.shopify.com/s/files/1/0430/8752/8103/files/discord_webhook_embed.pdf
- https://cdn.shopify.com/s/files/1/0429/7680/5013/files/6728750471.pdf
- https://cdn.shopify.com/s/files/1/0432/3006/8898/files/kijebigalupatexarop.pdf
- https://cdn.shopify.com/s/files/1/0428/5811/9334/files/xenuwadusizetez.pdf
- https://cdn.shopify.com/s/files/1/0435/8298/0259/files/waxoliwoduzosa.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/27780910023.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_off00006379.binf9f99781c3b971e07616853f14eac0156e3d3518c2a245d908218249e952a707 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6379 | 5616 bytes |
font_01_sfnt_off0000766a.bine9f4c869a5eaeaf1431c7528ddb936b2e5f5cf0498c065c023057f091dffda15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x766A | 10368 bytes |
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