MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also contains a PDF link farm heuristic, indicating a large number of external links. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'El libro rojo del anarquismo pdf', which is likely intended to trick users into clicking the malicious link.
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=el+libro+rojo+del+anarquismo+pdf
- http://files.sheilatrecartin.com/uploads/1/3/0/9/130969169/5206781.pdf
- http://files.laneryohirabayashi.com/uploads/1/3/1/4/131409442/8e35c3450c.pdf
- http://files.steeringcomp.com/uploads/1/3/0/7/130776393/1598890.pdf
- https://cdn.shopify.com/s/files/1/0430/0685/3269/files/bafokekubu.pdf
- https://cdn.shopify.com/s/files/1/0430/9801/3857/files/kaporaramujusezed.pdf
- https://cdn.shopify.com/s/files/1/0429/1729/8342/files/55309842973.pdf
- https://cdn.shopify.com/s/files/1/0431/6564/7012/files/86498256538.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20597849085.pdf
- https://cdn.shopify.com/s/files/1/0433/5281/7832/files/minokavasojoruloje.pdf
- https://cdn.shopify.com/s/files/1/0430/9277/0977/files/26208624280.pdf
- https://cdn.shopify.com/s/files/1/0431/6338/6016/files/sodedopajirosilu.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/fupimefelu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/welilavuruwad.pdf
- https://cdn.shopify.com/s/files/1/0432/3550/8387/files/88759358446.pdf
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/44316136428.pdf
- https://cdn.shopify.com/s/files/1/0432/8803/5486/files/80215288337.pdf
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/gugipajipagamu.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_off0000726a.bin92bc848c42af7cfa72bd114321de56cfe4c27ca14de21da6c7f8ea6b5601513d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726A | 5288 bytes |
font_01_sfnt_off0000843b.bin093b3305c470d8222e201e80467d45a3ff98e93febe458701906e480ad0b52ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x843B | 11300 bytes |
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