MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links designed to redirect users to a malicious URL, likely for SEO spam or phishing purposes. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's part of a link farm. Although no scripts were explicitly extracted, the presence of embedded URLs and the heuristic firings point to a malicious redirection attempt.
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=que+es+un+brief+publicitario+pdf
- http://files.merob.studio/uploads/1/3/2/6/132682790/kaguz_musofev.pdf
- http://files.brazosmetaldesigns.com/uploads/1/3/0/9/130969847/1434662.pdf
- http://files.teachpark.org/uploads/1/3/0/8/130874254/8042028.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/ferezu.pdf
- https://cdn.shopify.com/s/files/1/0433/7077/4693/files/mutasux.pdf
- https://cdn.shopify.com/s/files/1/0436/9219/5993/files/lizonogubun.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6766/files/16490415101.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdf
- https://cdn.shopify.com/s/files/1/0431/3550/0439/files/rumoxawujebiwim.pdf
- https://cdn.shopify.com/s/files/1/0437/5802/6903/files/19837654922.pdf
- https://cdn.shopify.com/s/files/1/0433/7981/8661/files/82884488082.pdf
- https://cdn.shopify.com/s/files/1/0435/3658/0759/files/98929603245.pdf
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/kivotovuzew.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/76566610696.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d62.bin9555bd6306db7b203b63b62d230ddfcb7a82d9056517a1f7ab3ac592141931d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D62 | 5348 bytes |
font_01_sfnt_off00006f93.bina228488bb93765ef0712fb35f81b9411758897d1f8d2b9903783dc39f97f3a1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F93 | 10396 bytes |
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