MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic. This suggests the PDF is part of a link farm designed to drive traffic to malicious sites, likely for phishing or malware delivery.
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/wb?keyword=small%20group%20discussion%20method%20pdf
- http://tipixo.carolynbjohnsonphotography.com/uploads/1/3/1/0/131071243/37bb06a8f90a2.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/ambiente_de_trabalho_do_windows_7.pdf
- https://cdn.shopify.com/s/files/1/0435/6364/7131/files/roruxuwinelava.pdf
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/mejoxobafalotisake.pdf
- https://cdn.shopify.com/s/files/1/0433/7156/1116/files/61426844912.pdf
- https://cdn.shopify.com/s/files/1/0429/1464/4127/files/85591378735.pdf
- https://cdn.shopify.com/s/files/1/0434/8870/6717/files/bank_of_america_history.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/xovebekusan.pdf
- https://cdn.shopify.com/s/files/1/0432/8285/8144/files/kusikaluni.pdf
- https://cdn.shopify.com/s/files/1/0432/9770/2046/files/21286880276.pdf
- https://cdn.shopify.com/s/files/1/0430/9689/9733/files/breville_juice_fountain_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9308/2783/files/zaludixosexifil.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7545/files/16633964992.pdf
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/nanuvetuloxe.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_off00005d38.bin43dd536101e9b5b21b19c01fa36f4675a7dec7feee794eda7095324623ec023b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D38 | 5672 bytes |
font_01_sfnt_off00007049.bin1c7ad6c004967392cd885098b61e89de65a02299c2dd6826a9478f4e145d987f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7049 | 10908 bytes |
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