MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains numerous embedded links. One critical heuristic indicates a malicious redirector link to 'ttraff.ru', suggesting a phishing or malware distribution attempt. Another heuristic identified a 'PDF SEO link farm', indicating the document's primary purpose is to host a large number of external links, likely to manipulate search engine results or distribute further malicious content. The document body itself is heavily obfuscated and contains 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=definition+of+population+geography+pdf
- http://files.lazarustrust.com/uploads/1/3/2/3/132303269/migovoxiperuru.pdf
- http://files.kirstenangerbauer.com/uploads/1/3/2/7/132710779/298e06c19f8b.pdf
- https://cdn.shopify.com/s/files/1/0432/6719/5040/files/59270756948.pdf
- https://cdn.shopify.com/s/files/1/0431/8278/4676/files/sapupadabetisolemoziw.pdf
- https://cdn.shopify.com/s/files/1/0432/2508/8168/files/somaribi.pdf
- https://cdn.shopify.com/s/files/1/0430/7222/5442/files/livixe.pdf
- https://cdn.shopify.com/s/files/1/0431/1747/8044/files/77639381775.pdf
- https://cdn.shopify.com/s/files/1/0432/2800/4507/files/unicorn_and_princess_colouring_sheets.pdf
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/19615311503.pdf
- https://cdn.shopify.com/s/files/1/0428/2440/1063/files/97524456720.pdf
- https://cdn.shopify.com/s/files/1/0434/0760/5910/files/wuvasabigazuxovo.pdf
- https://cdn.shopify.com/s/files/1/0437/3512/2081/files/zojobira.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3556/files/51334071267.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_off00005f68.bin9f3bb21306366dc69bf32969ab3d7beeb1753b0d683b099d8445e195e5a73a3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F68 | 5224 bytes |
font_01_sfnt_off00007132.bin66bdcc7ba4fe90e1adcefa8fd3aea9d5411667246f745fb15f0e9b10e5f921c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7132 | 9896 bytes |
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