MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to a known malicious redirector, ttraff.com, which is designed to obscure the final destination. The document body, though partially corrupted, includes the URL and a title suggesting a lure for users interested in biotechnology. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the embedded links.
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.com/pify?keyword=introduccion+a+la+biotecnologia+vegetal+pdf
- http://zilugexo.bsmga.com/uploads/1/3/1/3/131379552/178ac0ef447dcb4.pdf
- http://files.danielstorage.com/uploads/1/3/0/9/130969190/1243452.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0445/4980/0100/files/joindre_des_en_ligne.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28650507632.pdf
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/82908663167.pdf
- https://cdn.shopify.com/s/files/1/0429/0510/8636/files/84349370460.pdf
- https://cdn.shopify.com/s/files/1/0439/4500/1115/files/xibuwotifo.pdf
- https://cdn.shopify.com/s/files/1/0439/2579/9067/files/57007775932.pdf
- https://cdn.shopify.com/s/files/1/0453/1912/7195/files/proceso_administrativo_de_ventas.pdf
- https://cdn.shopify.com/s/files/1/0431/4795/2294/files/86490146382.pdf
- https://cdn.shopify.com/s/files/1/0428/5058/2684/files/arduino_due_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/5787/2033/files/saruwozipevokebik.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_off000050b9.bindaa371af26a44bd6ba2230c7880ca4e7b1271b503ef4cd829d51df22e356a94f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50B9 | 5284 bytes |
font_01_sfnt_off000062c0.bina4f8ad228ad1fddd6f897120ea8090b5be47df2ed478d71b110277cbf4597dd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C0 | 9468 bytes |
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